Home / 3,724.85-5,140.33-2,046.22

Finding the Fourth Proportional to 3,724.85, 5,140.33 and 2,046.22

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Solution

The fourth proportional to 3,724.85, 5,140.33 and 2,046.22 is: 2,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.85 : 5,140.33 = 2,046.22 : x
  2. Step 2: Convert to fraction form
    3,724.85/5,140.33 = 2,046.22/x
  3. Step 3: Cross multiply
    3,724.85x = 5,140.33 × 2,046.22
  4. Step 4: Simplify right side
    3,724.85x = 10,518,228.09
  5. Step 5: Solve for x
    x = 10,518,228.09/3,724.85
  6. Step 6: Final answer
    x = 2,823.80

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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.