Home / 4,143.48-5,718.06-2,280.52

Finding the Fourth Proportional to 4,143.48, 5,718.06 and 2,280.52

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Solution

The fourth proportional to 4,143.48, 5,718.06 and 2,280.52 is: 3,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.48 : 5,718.06 = 2,280.52 : x
  2. Step 2: Convert to fraction form
    4,143.48/5,718.06 = 2,280.52/x
  3. Step 3: Cross multiply
    4,143.48x = 5,718.06 × 2,280.52
  4. Step 4: Simplify right side
    4,143.48x = 13,040,150.19
  5. Step 5: Solve for x
    x = 13,040,150.19/4,143.48
  6. Step 6: Final answer
    x = 3,147.15

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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.