Home / 3,909.35-5,856.12-2,424.02

Finding the Fourth Proportional to 3,909.35, 5,856.12 and 2,424.02

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Solution

The fourth proportional to 3,909.35, 5,856.12 and 2,424.02 is: 3,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.35 : 5,856.12 = 2,424.02 : x
  2. Step 2: Convert to fraction form
    3,909.35/5,856.12 = 2,424.02/x
  3. Step 3: Cross multiply
    3,909.35x = 5,856.12 × 2,424.02
  4. Step 4: Simplify right side
    3,909.35x = 14,195,322.72
  5. Step 5: Solve for x
    x = 14,195,322.72/3,909.35
  6. Step 6: Final answer
    x = 3,631.12

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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.