Home / 6,897.35-9,518.39-3,753.56

Finding the Fourth Proportional to 6,897.35, 9,518.39 and 3,753.56

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Solution

The fourth proportional to 6,897.35, 9,518.39 and 3,753.56 is: 5,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.35 : 9,518.39 = 3,753.56 : x
  2. Step 2: Convert to fraction form
    6,897.35/9,518.39 = 3,753.56/x
  3. Step 3: Cross multiply
    6,897.35x = 9,518.39 × 3,753.56
  4. Step 4: Simplify right side
    6,897.35x = 35,727,781.61
  5. Step 5: Solve for x
    x = 35,727,781.61/6,897.35
  6. Step 6: Final answer
    x = 5,179.93

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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.