Home / 3,715.43-5,124.45-2,720.35

Finding the Fourth Proportional to 3,715.43, 5,124.45 and 2,720.35

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Solution

The fourth proportional to 3,715.43, 5,124.45 and 2,720.35 is: 3,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.43 : 5,124.45 = 2,720.35 : x
  2. Step 2: Convert to fraction form
    3,715.43/5,124.45 = 2,720.35/x
  3. Step 3: Cross multiply
    3,715.43x = 5,124.45 × 2,720.35
  4. Step 4: Simplify right side
    3,715.43x = 13,940,297.56
  5. Step 5: Solve for x
    x = 13,940,297.56/3,715.43
  6. Step 6: Final answer
    x = 3,752.00

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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.