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Finding the Fourth Proportional to 3,785.95, 5,679.74 and 1,595.71

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Solution

The fourth proportional to 3,785.95, 5,679.74 and 1,595.71 is: 2,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.95 : 5,679.74 = 1,595.71 : x
  2. Step 2: Convert to fraction form
    3,785.95/5,679.74 = 1,595.71/x
  3. Step 3: Cross multiply
    3,785.95x = 5,679.74 × 1,595.71
  4. Step 4: Simplify right side
    3,785.95x = 9,063,217.92
  5. Step 5: Solve for x
    x = 9,063,217.92/3,785.95
  6. Step 6: Final answer
    x = 2,393.91

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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.