Home / 3,718.38-5,131.98-2,832.52

Finding the Fourth Proportional to 3,718.38, 5,131.98 and 2,832.52

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Solution

The fourth proportional to 3,718.38, 5,131.98 and 2,832.52 is: 3,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.38 : 5,131.98 = 2,832.52 : x
  2. Step 2: Convert to fraction form
    3,718.38/5,131.98 = 2,832.52/x
  3. Step 3: Cross multiply
    3,718.38x = 5,131.98 × 2,832.52
  4. Step 4: Simplify right side
    3,718.38x = 14,536,435.99
  5. Step 5: Solve for x
    x = 14,536,435.99/3,718.38
  6. Step 6: Final answer
    x = 3,909.35

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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.