Home / 7,374.24-11,068.38-5,420.52

Finding the Fourth Proportional to 7,374.24, 11,068.38 and 5,420.52

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Solution

The fourth proportional to 7,374.24, 11,068.38 and 5,420.52 is: 8,135.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.24 : 11,068.38 = 5,420.52 : x
  2. Step 2: Convert to fraction form
    7,374.24/11,068.38 = 5,420.52/x
  3. Step 3: Cross multiply
    7,374.24x = 11,068.38 × 5,420.52
  4. Step 4: Simplify right side
    7,374.24x = 59,996,375.16
  5. Step 5: Solve for x
    x = 59,996,375.16/7,374.24
  6. Step 6: Final answer
    x = 8,135.94

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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.