Home / 3,708.74-5,118.32-2,382.86

Finding the Fourth Proportional to 3,708.74, 5,118.32 and 2,382.86

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Solution

The fourth proportional to 3,708.74, 5,118.32 and 2,382.86 is: 3,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.74 : 5,118.32 = 2,382.86 : x
  2. Step 2: Convert to fraction form
    3,708.74/5,118.32 = 2,382.86/x
  3. Step 3: Cross multiply
    3,708.74x = 5,118.32 × 2,382.86
  4. Step 4: Simplify right side
    3,708.74x = 12,196,258.75
  5. Step 5: Solve for x
    x = 12,196,258.75/3,708.74
  6. Step 6: Final answer
    x = 3,288.52

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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.