Home / 3,727.31-5,140.16-2,448.95

Finding the Fourth Proportional to 3,727.31, 5,140.16 and 2,448.95

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Solution

The fourth proportional to 3,727.31, 5,140.16 and 2,448.95 is: 3,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.31 : 5,140.16 = 2,448.95 : x
  2. Step 2: Convert to fraction form
    3,727.31/5,140.16 = 2,448.95/x
  3. Step 3: Cross multiply
    3,727.31x = 5,140.16 × 2,448.95
  4. Step 4: Simplify right side
    3,727.31x = 12,587,966.07
  5. Step 5: Solve for x
    x = 12,587,966.07/3,727.31
  6. Step 6: Final answer
    x = 3,377.22

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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.