Home / 5,273.10-7,902.36-5,115.42

Finding the Fourth Proportional to 5,273.10, 7,902.36 and 5,115.42

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Solution

The fourth proportional to 5,273.10, 7,902.36 and 5,115.42 is: 7,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.10 : 7,902.36 = 5,115.42 : x
  2. Step 2: Convert to fraction form
    5,273.10/7,902.36 = 5,115.42/x
  3. Step 3: Cross multiply
    5,273.10x = 7,902.36 × 5,115.42
  4. Step 4: Simplify right side
    5,273.10x = 40,423,890.39
  5. Step 5: Solve for x
    x = 40,423,890.39/5,273.10
  6. Step 6: Final answer
    x = 7,666.06

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1.5x scale

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.