Home / 7,290.10-10,932.45-2,359.90

Finding the Fourth Proportional to 7,290.10, 10,932.45 and 2,359.90

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Solution

The fourth proportional to 7,290.10, 10,932.45 and 2,359.90 is: 3,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.10 : 10,932.45 = 2,359.90 : x
  2. Step 2: Convert to fraction form
    7,290.10/10,932.45 = 2,359.90/x
  3. Step 3: Cross multiply
    7,290.10x = 10,932.45 × 2,359.90
  4. Step 4: Simplify right side
    7,290.10x = 25,799,488.76
  5. Step 5: Solve for x
    x = 25,799,488.76/7,290.10
  6. Step 6: Final answer
    x = 3,538.98

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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.