Home / 5,517.14-7,610.22-3,421.26

Finding the Fourth Proportional to 5,517.14, 7,610.22 and 3,421.26

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Solution

The fourth proportional to 5,517.14, 7,610.22 and 3,421.26 is: 4,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.14 : 7,610.22 = 3,421.26 : x
  2. Step 2: Convert to fraction form
    5,517.14/7,610.22 = 3,421.26/x
  3. Step 3: Cross multiply
    5,517.14x = 7,610.22 × 3,421.26
  4. Step 4: Simplify right side
    5,517.14x = 26,036,541.28
  5. Step 5: Solve for x
    x = 26,036,541.28/5,517.14
  6. Step 6: Final answer
    x = 4,719.21

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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.