Home / 4,039.76-5,574.48-2,271.98

Finding the Fourth Proportional to 4,039.76, 5,574.48 and 2,271.98

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Solution

The fourth proportional to 4,039.76, 5,574.48 and 2,271.98 is: 3,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.76 : 5,574.48 = 2,271.98 : x
  2. Step 2: Convert to fraction form
    4,039.76/5,574.48 = 2,271.98/x
  3. Step 3: Cross multiply
    4,039.76x = 5,574.48 × 2,271.98
  4. Step 4: Simplify right side
    4,039.76x = 12,665,107.07
  5. Step 5: Solve for x
    x = 12,665,107.07/4,039.76
  6. Step 6: Final answer
    x = 3,135.11

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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.