Home / 4,160.76-5,752.11-3,986.51

Finding the Fourth Proportional to 4,160.76, 5,752.11 and 3,986.51

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Solution

The fourth proportional to 4,160.76, 5,752.11 and 3,986.51 is: 5,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.76 : 5,752.11 = 3,986.51 : x
  2. Step 2: Convert to fraction form
    4,160.76/5,752.11 = 3,986.51/x
  3. Step 3: Cross multiply
    4,160.76x = 5,752.11 × 3,986.51
  4. Step 4: Simplify right side
    4,160.76x = 22,930,815.28
  5. Step 5: Solve for x
    x = 22,930,815.28/4,160.76
  6. Step 6: Final answer
    x = 5,511.21

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Double scale
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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.