Home / 5,168.89-7,130.05-3,750.92

Finding the Fourth Proportional to 5,168.89, 7,130.05 and 3,750.92

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Solution

The fourth proportional to 5,168.89, 7,130.05 and 3,750.92 is: 5,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.89 : 7,130.05 = 3,750.92 : x
  2. Step 2: Convert to fraction form
    5,168.89/7,130.05 = 3,750.92/x
  3. Step 3: Cross multiply
    5,168.89x = 7,130.05 × 3,750.92
  4. Step 4: Simplify right side
    5,168.89x = 26,744,290.06
  5. Step 5: Solve for x
    x = 26,744,290.06/5,168.89
  6. Step 6: Final answer
    x = 5,174.09

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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.