Home / 4,099.40-5,657.68-2,331.44

Finding the Fourth Proportional to 4,099.40, 5,657.68 and 2,331.44

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Solution

The fourth proportional to 4,099.40, 5,657.68 and 2,331.44 is: 3,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.40 : 5,657.68 = 2,331.44 : x
  2. Step 2: Convert to fraction form
    4,099.40/5,657.68 = 2,331.44/x
  3. Step 3: Cross multiply
    4,099.40x = 5,657.68 × 2,331.44
  4. Step 4: Simplify right side
    4,099.40x = 13,190,541.46
  5. Step 5: Solve for x
    x = 13,190,541.46/4,099.40
  6. Step 6: Final answer
    x = 3,217.68

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1.5x scale

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.