Home / 5,789.19-8,680.53-1,839.71

Finding the Fourth Proportional to 5,789.19, 8,680.53 and 1,839.71

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Solution

The fourth proportional to 5,789.19, 8,680.53 and 1,839.71 is: 2,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.19 : 8,680.53 = 1,839.71 : x
  2. Step 2: Convert to fraction form
    5,789.19/8,680.53 = 1,839.71/x
  3. Step 3: Cross multiply
    5,789.19x = 8,680.53 × 1,839.71
  4. Step 4: Simplify right side
    5,789.19x = 15,969,686.45
  5. Step 5: Solve for x
    x = 15,969,686.45/5,789.19
  6. Step 6: Final answer
    x = 2,758.54

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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.