Home / 6,897.08-9,518.10-3,753.38

Finding the Fourth Proportional to 6,897.08, 9,518.10 and 3,753.38

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Solution

The fourth proportional to 6,897.08, 9,518.10 and 3,753.38 is: 5,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.08 : 9,518.10 = 3,753.38 : x
  2. Step 2: Convert to fraction form
    6,897.08/9,518.10 = 3,753.38/x
  3. Step 3: Cross multiply
    6,897.08x = 9,518.10 × 3,753.38
  4. Step 4: Simplify right side
    6,897.08x = 35,725,046.18
  5. Step 5: Solve for x
    x = 35,725,046.18/6,897.08
  6. Step 6: Final answer
    x = 5,179.73

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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.