Home / 4,909.81-7,363.15-1,622.29

Finding the Fourth Proportional to 4,909.81, 7,363.15 and 1,622.29

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Solution

The fourth proportional to 4,909.81, 7,363.15 and 1,622.29 is: 2,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.81 : 7,363.15 = 1,622.29 : x
  2. Step 2: Convert to fraction form
    4,909.81/7,363.15 = 1,622.29/x
  3. Step 3: Cross multiply
    4,909.81x = 7,363.15 × 1,622.29
  4. Step 4: Simplify right side
    4,909.81x = 11,945,164.61
  5. Step 5: Solve for x
    x = 11,945,164.61/4,909.81
  6. Step 6: Final answer
    x = 2,432.92

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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.