Home / 4,143.18-5,717.25-2,280.18

Finding the Fourth Proportional to 4,143.18, 5,717.25 and 2,280.18

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Solution

The fourth proportional to 4,143.18, 5,717.25 and 2,280.18 is: 3,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.18 : 5,717.25 = 2,280.18 : x
  2. Step 2: Convert to fraction form
    4,143.18/5,717.25 = 2,280.18/x
  3. Step 3: Cross multiply
    4,143.18x = 5,717.25 × 2,280.18
  4. Step 4: Simplify right side
    4,143.18x = 13,036,359.11
  5. Step 5: Solve for x
    x = 13,036,359.11/4,143.18
  6. Step 6: Final answer
    x = 3,146.46

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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.