Home / 4,177.86-6,258.27-1,979.92

Finding the Fourth Proportional to 4,177.86, 6,258.27 and 1,979.92

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Solution

The fourth proportional to 4,177.86, 6,258.27 and 1,979.92 is: 2,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.86 : 6,258.27 = 1,979.92 : x
  2. Step 2: Convert to fraction form
    4,177.86/6,258.27 = 1,979.92/x
  3. Step 3: Cross multiply
    4,177.86x = 6,258.27 × 1,979.92
  4. Step 4: Simplify right side
    4,177.86x = 12,390,873.94
  5. Step 5: Solve for x
    x = 12,390,873.94/4,177.86
  6. Step 6: Final answer
    x = 2,965.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.