Home / 5,403.90-7,458.27-3,167.10

Finding the Fourth Proportional to 5,403.90, 7,458.27 and 3,167.10

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Solution

The fourth proportional to 5,403.90, 7,458.27 and 3,167.10 is: 4,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.90 : 7,458.27 = 3,167.10 : x
  2. Step 2: Convert to fraction form
    5,403.90/7,458.27 = 3,167.10/x
  3. Step 3: Cross multiply
    5,403.90x = 7,458.27 × 3,167.10
  4. Step 4: Simplify right side
    5,403.90x = 23,621,086.92
  5. Step 5: Solve for x
    x = 23,621,086.92/5,403.90
  6. Step 6: Final answer
    x = 4,371.12

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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.