Home / 5,610.46-7,736.70-3,721.38

Finding the Fourth Proportional to 5,610.46, 7,736.70 and 3,721.38

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Solution

The fourth proportional to 5,610.46, 7,736.70 and 3,721.38 is: 5,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.46 : 7,736.70 = 3,721.38 : x
  2. Step 2: Convert to fraction form
    5,610.46/7,736.70 = 3,721.38/x
  3. Step 3: Cross multiply
    5,610.46x = 7,736.70 × 3,721.38
  4. Step 4: Simplify right side
    5,610.46x = 28,791,200.65
  5. Step 5: Solve for x
    x = 28,791,200.65/5,610.46
  6. Step 6: Final answer
    x = 5,131.70

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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.