Home / 2,962.38-4,444.61-1,318.77

Finding the Fourth Proportional to 2,962.38, 4,444.61 and 1,318.77

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Solution

The fourth proportional to 2,962.38, 4,444.61 and 1,318.77 is: 1,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.38 : 4,444.61 = 1,318.77 : x
  2. Step 2: Convert to fraction form
    2,962.38/4,444.61 = 1,318.77/x
  3. Step 3: Cross multiply
    2,962.38x = 4,444.61 × 1,318.77
  4. Step 4: Simplify right side
    2,962.38x = 5,861,411.74
  5. Step 5: Solve for x
    x = 5,861,411.74/2,962.38
  6. Step 6: Final answer
    x = 1,978.62

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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.