Home / 3,849.12-5,310-2,432.16

Finding the Fourth Proportional to 3,849.12, 5,310 and 2,432.16

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Solution

The fourth proportional to 3,849.12, 5,310 and 2,432.16 is: 3,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.12 : 5,310 = 2,432.16 : x
  2. Step 2: Convert to fraction form
    3,849.12/5,310 = 2,432.16/x
  3. Step 3: Cross multiply
    3,849.12x = 5,310 × 2,432.16
  4. Step 4: Simplify right side
    3,849.12x = 12,914,769.60
  5. Step 5: Solve for x
    x = 12,914,769.60/3,849.12
  6. Step 6: Final answer
    x = 3,355.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.