Home / 5,102.31-7,654.13-3,518.09

Finding the Fourth Proportional to 5,102.31, 7,654.13 and 3,518.09

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Solution

The fourth proportional to 5,102.31, 7,654.13 and 3,518.09 is: 5,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.31 : 7,654.13 = 3,518.09 : x
  2. Step 2: Convert to fraction form
    5,102.31/7,654.13 = 3,518.09/x
  3. Step 3: Cross multiply
    5,102.31x = 7,654.13 × 3,518.09
  4. Step 4: Simplify right side
    5,102.31x = 26,927,862.35
  5. Step 5: Solve for x
    x = 26,927,862.35/5,102.31
  6. Step 6: Final answer
    x = 5,277.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.