Home / 3,862.33-5,329.11-2,605.71

Finding the Fourth Proportional to 3,862.33, 5,329.11 and 2,605.71

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Solution

The fourth proportional to 3,862.33, 5,329.11 and 2,605.71 is: 3,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.33 : 5,329.11 = 2,605.71 : x
  2. Step 2: Convert to fraction form
    3,862.33/5,329.11 = 2,605.71/x
  3. Step 3: Cross multiply
    3,862.33x = 5,329.11 × 2,605.71
  4. Step 4: Simplify right side
    3,862.33x = 13,886,115.22
  5. Step 5: Solve for x
    x = 13,886,115.22/3,862.33
  6. Step 6: Final answer
    x = 3,595.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.