Home / 5,860.45-8,785.02-2,160.66

Finding the Fourth Proportional to 5,860.45, 8,785.02 and 2,160.66

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Solution

The fourth proportional to 5,860.45, 8,785.02 and 2,160.66 is: 3,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.45 : 8,785.02 = 2,160.66 : x
  2. Step 2: Convert to fraction form
    5,860.45/8,785.02 = 2,160.66/x
  3. Step 3: Cross multiply
    5,860.45x = 8,785.02 × 2,160.66
  4. Step 4: Simplify right side
    5,860.45x = 18,981,441.31
  5. Step 5: Solve for x
    x = 18,981,441.31/5,860.45
  6. Step 6: Final answer
    x = 3,238.91

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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.