Home / 5,174.87-7,045.79-5,158.49

Finding the Fourth Proportional to 5,174.87, 7,045.79 and 5,158.49

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Solution

The fourth proportional to 5,174.87, 7,045.79 and 5,158.49 is: 7,023.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.87 : 7,045.79 = 5,158.49 : x
  2. Step 2: Convert to fraction form
    5,174.87/7,045.79 = 5,158.49/x
  3. Step 3: Cross multiply
    5,174.87x = 7,045.79 × 5,158.49
  4. Step 4: Simplify right side
    5,174.87x = 36,345,576.24
  5. Step 5: Solve for x
    x = 36,345,576.24/5,174.87
  6. Step 6: Final answer
    x = 7,023.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.