Home / 7,074.12-10,606.98-2,691.90

Finding the Fourth Proportional to 7,074.12, 10,606.98 and 2,691.90

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Solution

The fourth proportional to 7,074.12, 10,606.98 and 2,691.90 is: 4,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.12 : 10,606.98 = 2,691.90 : x
  2. Step 2: Convert to fraction form
    7,074.12/10,606.98 = 2,691.90/x
  3. Step 3: Cross multiply
    7,074.12x = 10,606.98 × 2,691.90
  4. Step 4: Simplify right side
    7,074.12x = 28,552,929.46
  5. Step 5: Solve for x
    x = 28,552,929.46/7,074.12
  6. Step 6: Final answer
    x = 4,036.25

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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.