Home / 6,897.48-9,518.28-3,753.60

Finding the Fourth Proportional to 6,897.48, 9,518.28 and 3,753.60

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Solution

The fourth proportional to 6,897.48, 9,518.28 and 3,753.60 is: 5,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.48 : 9,518.28 = 3,753.60 : x
  2. Step 2: Convert to fraction form
    6,897.48/9,518.28 = 3,753.60/x
  3. Step 3: Cross multiply
    6,897.48x = 9,518.28 × 3,753.60
  4. Step 4: Simplify right side
    6,897.48x = 35,727,815.81
  5. Step 5: Solve for x
    x = 35,727,815.81/6,897.48
  6. Step 6: Final answer
    x = 5,179.84

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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.