Home / 5,660.48-8,488.70-1,961.72

Finding the Fourth Proportional to 5,660.48, 8,488.70 and 1,961.72

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Solution

The fourth proportional to 5,660.48, 8,488.70 and 1,961.72 is: 2,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.48 : 8,488.70 = 1,961.72 : x
  2. Step 2: Convert to fraction form
    5,660.48/8,488.70 = 1,961.72/x
  3. Step 3: Cross multiply
    5,660.48x = 8,488.70 × 1,961.72
  4. Step 4: Simplify right side
    5,660.48x = 16,652,452.56
  5. Step 5: Solve for x
    x = 16,652,452.56/5,660.48
  6. Step 6: Final answer
    x = 2,941.88

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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.