Home / 4,039.88-5,574.69-2,271.26

Finding the Fourth Proportional to 4,039.88, 5,574.69 and 2,271.26

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Solution

The fourth proportional to 4,039.88, 5,574.69 and 2,271.26 is: 3,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.88 : 5,574.69 = 2,271.26 : x
  2. Step 2: Convert to fraction form
    4,039.88/5,574.69 = 2,271.26/x
  3. Step 3: Cross multiply
    4,039.88x = 5,574.69 × 2,271.26
  4. Step 4: Simplify right side
    4,039.88x = 12,661,570.41
  5. Step 5: Solve for x
    x = 12,661,570.41/4,039.88
  6. Step 6: Final answer
    x = 3,134.15

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Half scale
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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.