Home / 5,253.12-7,243.38-5,132.16

Finding the Fourth Proportional to 5,253.12, 7,243.38 and 5,132.16

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Solution

The fourth proportional to 5,253.12, 7,243.38 and 5,132.16 is: 7,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.12 : 7,243.38 = 5,132.16 : x
  2. Step 2: Convert to fraction form
    5,253.12/7,243.38 = 5,132.16/x
  3. Step 3: Cross multiply
    5,253.12x = 7,243.38 × 5,132.16
  4. Step 4: Simplify right side
    5,253.12x = 37,174,185.10
  5. Step 5: Solve for x
    x = 37,174,185.10/5,253.12
  6. Step 6: Final answer
    x = 7,076.59

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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.