Home / 5,534.48-7,638.12-4,134.80

Finding the Fourth Proportional to 5,534.48, 7,638.12 and 4,134.80

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Solution

The fourth proportional to 5,534.48, 7,638.12 and 4,134.80 is: 5,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.48 : 7,638.12 = 4,134.80 : x
  2. Step 2: Convert to fraction form
    5,534.48/7,638.12 = 4,134.80/x
  3. Step 3: Cross multiply
    5,534.48x = 7,638.12 × 4,134.80
  4. Step 4: Simplify right side
    5,534.48x = 31,582,098.58
  5. Step 5: Solve for x
    x = 31,582,098.58/5,534.48
  6. Step 6: Final answer
    x = 5,706.43

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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.