Home / 5,354.17-7,390.25-3,116.48

Finding the Fourth Proportional to 5,354.17, 7,390.25 and 3,116.48

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Solution

The fourth proportional to 5,354.17, 7,390.25 and 3,116.48 is: 4,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.17 : 7,390.25 = 3,116.48 : x
  2. Step 2: Convert to fraction form
    5,354.17/7,390.25 = 3,116.48/x
  3. Step 3: Cross multiply
    5,354.17x = 7,390.25 × 3,116.48
  4. Step 4: Simplify right side
    5,354.17x = 23,031,513.79
  5. Step 5: Solve for x
    x = 23,031,513.79/5,354.17
  6. Step 6: Final answer
    x = 4,301.61

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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.