Home / 3,001.15-4,141.55-1,656.77

Finding the Fourth Proportional to 3,001.15, 4,141.55 and 1,656.77

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Solution

The fourth proportional to 3,001.15, 4,141.55 and 1,656.77 is: 2,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.15 : 4,141.55 = 1,656.77 : x
  2. Step 2: Convert to fraction form
    3,001.15/4,141.55 = 1,656.77/x
  3. Step 3: Cross multiply
    3,001.15x = 4,141.55 × 1,656.77
  4. Step 4: Simplify right side
    3,001.15x = 6,861,575.09
  5. Step 5: Solve for x
    x = 6,861,575.09/3,001.15
  6. Step 6: Final answer
    x = 2,286.32

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Half scale
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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.