Home / 7,358.40-11,042.17-2,975.90

Finding the Fourth Proportional to 7,358.40, 11,042.17 and 2,975.90

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Solution

The fourth proportional to 7,358.40, 11,042.17 and 2,975.90 is: 4,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.40 : 11,042.17 = 2,975.90 : x
  2. Step 2: Convert to fraction form
    7,358.40/11,042.17 = 2,975.90/x
  3. Step 3: Cross multiply
    7,358.40x = 11,042.17 × 2,975.90
  4. Step 4: Simplify right side
    7,358.40x = 32,860,331.05
  5. Step 5: Solve for x
    x = 32,860,331.05/7,358.40
  6. Step 6: Final answer
    x = 4,465.69

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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.