Home / 5,371.02-7,412.19-3,132.51

Finding the Fourth Proportional to 5,371.02, 7,412.19 and 3,132.51

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Solution

The fourth proportional to 5,371.02, 7,412.19 and 3,132.51 is: 4,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.02 : 7,412.19 = 3,132.51 : x
  2. Step 2: Convert to fraction form
    5,371.02/7,412.19 = 3,132.51/x
  3. Step 3: Cross multiply
    5,371.02x = 7,412.19 × 3,132.51
  4. Step 4: Simplify right side
    5,371.02x = 23,218,759.30
  5. Step 5: Solve for x
    x = 23,218,759.30/5,371.02
  6. Step 6: Final answer
    x = 4,322.97

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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.