Home / 5,645.04-8,470.62-2,358.42

Finding the Fourth Proportional to 5,645.04, 8,470.62 and 2,358.42

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Solution

The fourth proportional to 5,645.04, 8,470.62 and 2,358.42 is: 3,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.04 : 8,470.62 = 2,358.42 : x
  2. Step 2: Convert to fraction form
    5,645.04/8,470.62 = 2,358.42/x
  3. Step 3: Cross multiply
    5,645.04x = 8,470.62 × 2,358.42
  4. Step 4: Simplify right side
    5,645.04x = 19,977,279.62
  5. Step 5: Solve for x
    x = 19,977,279.62/5,645.04
  6. Step 6: Final answer
    x = 3,538.91

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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.