Home / 5,400.18-8,052.90-5,350.92

Finding the Fourth Proportional to 5,400.18, 8,052.90 and 5,350.92

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Solution

The fourth proportional to 5,400.18, 8,052.90 and 5,350.92 is: 7,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.18 : 8,052.90 = 5,350.92 : x
  2. Step 2: Convert to fraction form
    5,400.18/8,052.90 = 5,350.92/x
  3. Step 3: Cross multiply
    5,400.18x = 8,052.90 × 5,350.92
  4. Step 4: Simplify right side
    5,400.18x = 43,090,423.67
  5. Step 5: Solve for x
    x = 43,090,423.67/5,400.18
  6. Step 6: Final answer
    x = 7,979.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.