Home / 4,123.91-5,691.62-3,246.32

Finding the Fourth Proportional to 4,123.91, 5,691.62 and 3,246.32

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Solution

The fourth proportional to 4,123.91, 5,691.62 and 3,246.32 is: 4,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.91 : 5,691.62 = 3,246.32 : x
  2. Step 2: Convert to fraction form
    4,123.91/5,691.62 = 3,246.32/x
  3. Step 3: Cross multiply
    4,123.91x = 5,691.62 × 3,246.32
  4. Step 4: Simplify right side
    4,123.91x = 18,476,803.61
  5. Step 5: Solve for x
    x = 18,476,803.61/4,123.91
  6. Step 6: Final answer
    x = 4,480.41

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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.