Home / 7,538.08-11,307.56-2,540.04

Finding the Fourth Proportional to 7,538.08, 11,307.56 and 2,540.04

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Solution

The fourth proportional to 7,538.08, 11,307.56 and 2,540.04 is: 3,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.08 : 11,307.56 = 2,540.04 : x
  2. Step 2: Convert to fraction form
    7,538.08/11,307.56 = 2,540.04/x
  3. Step 3: Cross multiply
    7,538.08x = 11,307.56 × 2,540.04
  4. Step 4: Simplify right side
    7,538.08x = 28,721,654.70
  5. Step 5: Solve for x
    x = 28,721,654.70/7,538.08
  6. Step 6: Final answer
    x = 3,810.21

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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.