Home / 3,865.16-5,799.31-1,400.18

Finding the Fourth Proportional to 3,865.16, 5,799.31 and 1,400.18

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Solution

The fourth proportional to 3,865.16, 5,799.31 and 1,400.18 is: 2,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.16 : 5,799.31 = 1,400.18 : x
  2. Step 2: Convert to fraction form
    3,865.16/5,799.31 = 1,400.18/x
  3. Step 3: Cross multiply
    3,865.16x = 5,799.31 × 1,400.18
  4. Step 4: Simplify right side
    3,865.16x = 8,120,045.38
  5. Step 5: Solve for x
    x = 8,120,045.38/3,865.16
  6. Step 6: Final answer
    x = 2,100.83

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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.