Home / 3,421.14-5,132.25-1,473.90

Finding the Fourth Proportional to 3,421.14, 5,132.25 and 1,473.90

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Solution

The fourth proportional to 3,421.14, 5,132.25 and 1,473.90 is: 2,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.14 : 5,132.25 = 1,473.90 : x
  2. Step 2: Convert to fraction form
    3,421.14/5,132.25 = 1,473.90/x
  3. Step 3: Cross multiply
    3,421.14x = 5,132.25 × 1,473.90
  4. Step 4: Simplify right side
    3,421.14x = 7,564,423.28
  5. Step 5: Solve for x
    x = 7,564,423.28/3,421.14
  6. Step 6: Final answer
    x = 2,211.08

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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.