Home / 2,962.99-4,445.68-1,318.41

Finding the Fourth Proportional to 2,962.99, 4,445.68 and 1,318.41

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Solution

The fourth proportional to 2,962.99, 4,445.68 and 1,318.41 is: 1,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.99 : 4,445.68 = 1,318.41 : x
  2. Step 2: Convert to fraction form
    2,962.99/4,445.68 = 1,318.41/x
  3. Step 3: Cross multiply
    2,962.99x = 4,445.68 × 1,318.41
  4. Step 4: Simplify right side
    2,962.99x = 5,861,200.15
  5. Step 5: Solve for x
    x = 5,861,200.15/2,962.99
  6. Step 6: Final answer
    x = 1,978.14

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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.