Home / 5,160.74-7,122.52-2,923.52

Finding the Fourth Proportional to 5,160.74, 7,122.52 and 2,923.52

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Solution

The fourth proportional to 5,160.74, 7,122.52 and 2,923.52 is: 4,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.74 : 7,122.52 = 2,923.52 : x
  2. Step 2: Convert to fraction form
    5,160.74/7,122.52 = 2,923.52/x
  3. Step 3: Cross multiply
    5,160.74x = 7,122.52 × 2,923.52
  4. Step 4: Simplify right side
    5,160.74x = 20,822,829.67
  5. Step 5: Solve for x
    x = 20,822,829.67/5,160.74
  6. Step 6: Final answer
    x = 4,034.85

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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.