Home / 4,039.72-5,574.76-2,271.36

Finding the Fourth Proportional to 4,039.72, 5,574.76 and 2,271.36

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Solution

The fourth proportional to 4,039.72, 5,574.76 and 2,271.36 is: 3,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.72 : 5,574.76 = 2,271.36 : x
  2. Step 2: Convert to fraction form
    4,039.72/5,574.76 = 2,271.36/x
  3. Step 3: Cross multiply
    4,039.72x = 5,574.76 × 2,271.36
  4. Step 4: Simplify right side
    4,039.72x = 12,662,286.87
  5. Step 5: Solve for x
    x = 12,662,286.87/4,039.72
  6. Step 6: Final answer
    x = 3,134.45

Related Problems

Find fourth proportional to 2,019.86, 2,787.38 and 1,135.68
Half scale
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Double scale
Find fourth proportional to 4,040.72, 5,576.14 and 2,272.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.