Home / 3,248.01-4,481.60-1,921.91

Finding the Fourth Proportional to 3,248.01, 4,481.60 and 1,921.91

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Solution

The fourth proportional to 3,248.01, 4,481.60 and 1,921.91 is: 2,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.01 : 4,481.60 = 1,921.91 : x
  2. Step 2: Convert to fraction form
    3,248.01/4,481.60 = 1,921.91/x
  3. Step 3: Cross multiply
    3,248.01x = 4,481.60 × 1,921.91
  4. Step 4: Simplify right side
    3,248.01x = 8,613,199.84
  5. Step 5: Solve for x
    x = 8,613,199.84/3,248.01
  6. Step 6: Final answer
    x = 2,651.84

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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.