Home / 5,402.38-7,456.67-3,518.66

Finding the Fourth Proportional to 5,402.38, 7,456.67 and 3,518.66

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Solution

The fourth proportional to 5,402.38, 7,456.67 and 3,518.66 is: 4,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.38 : 7,456.67 = 3,518.66 : x
  2. Step 2: Convert to fraction form
    5,402.38/7,456.67 = 3,518.66/x
  3. Step 3: Cross multiply
    5,402.38x = 7,456.67 × 3,518.66
  4. Step 4: Simplify right side
    5,402.38x = 26,237,486.46
  5. Step 5: Solve for x
    x = 26,237,486.46/5,402.38
  6. Step 6: Final answer
    x = 4,856.65

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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.