Home / 5,158.18-7,115.70-3,477.46

Finding the Fourth Proportional to 5,158.18, 7,115.70 and 3,477.46

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Solution

The fourth proportional to 5,158.18, 7,115.70 and 3,477.46 is: 4,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.18 : 7,115.70 = 3,477.46 : x
  2. Step 2: Convert to fraction form
    5,158.18/7,115.70 = 3,477.46/x
  3. Step 3: Cross multiply
    5,158.18x = 7,115.70 × 3,477.46
  4. Step 4: Simplify right side
    5,158.18x = 24,744,562.12
  5. Step 5: Solve for x
    x = 24,744,562.12/5,158.18
  6. Step 6: Final answer
    x = 4,797.15

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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.