Home / 5,372.06-7,415.28-3,248.78

Finding the Fourth Proportional to 5,372.06, 7,415.28 and 3,248.78

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Solution

The fourth proportional to 5,372.06, 7,415.28 and 3,248.78 is: 4,484.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.06 : 7,415.28 = 3,248.78 : x
  2. Step 2: Convert to fraction form
    5,372.06/7,415.28 = 3,248.78/x
  3. Step 3: Cross multiply
    5,372.06x = 7,415.28 × 3,248.78
  4. Step 4: Simplify right side
    5,372.06x = 24,090,613.36
  5. Step 5: Solve for x
    x = 24,090,613.36/5,372.06
  6. Step 6: Final answer
    x = 4,484.43

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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.