Home / 5,913.56-8,158.20-4,338.92

Finding the Fourth Proportional to 5,913.56, 8,158.20 and 4,338.92

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Solution

The fourth proportional to 5,913.56, 8,158.20 and 4,338.92 is: 5,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.56 : 8,158.20 = 4,338.92 : x
  2. Step 2: Convert to fraction form
    5,913.56/8,158.20 = 4,338.92/x
  3. Step 3: Cross multiply
    5,913.56x = 8,158.20 × 4,338.92
  4. Step 4: Simplify right side
    5,913.56x = 35,397,777.14
  5. Step 5: Solve for x
    x = 35,397,777.14/5,913.56
  6. Step 6: Final answer
    x = 5,985.87

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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.