Home / 5,460.30-7,534.87-3,102.42

Finding the Fourth Proportional to 5,460.30, 7,534.87 and 3,102.42

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Solution

The fourth proportional to 5,460.30, 7,534.87 and 3,102.42 is: 4,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.30 : 7,534.87 = 3,102.42 : x
  2. Step 2: Convert to fraction form
    5,460.30/7,534.87 = 3,102.42/x
  3. Step 3: Cross multiply
    5,460.30x = 7,534.87 × 3,102.42
  4. Step 4: Simplify right side
    5,460.30x = 23,376,331.39
  5. Step 5: Solve for x
    x = 23,376,331.39/5,460.30
  6. Step 6: Final answer
    x = 4,281.14

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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.