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Finding the Fourth Proportional to 5,432.90, 7,491.02 and 3,541.82

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Solution

The fourth proportional to 5,432.90, 7,491.02 and 3,541.82 is: 4,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.90 : 7,491.02 = 3,541.82 : x
  2. Step 2: Convert to fraction form
    5,432.90/7,491.02 = 3,541.82/x
  3. Step 3: Cross multiply
    5,432.90x = 7,491.02 × 3,541.82
  4. Step 4: Simplify right side
    5,432.90x = 26,531,789.29
  5. Step 5: Solve for x
    x = 26,531,789.29/5,432.90
  6. Step 6: Final answer
    x = 4,883.55

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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.