Home / 4,143.16-5,717.94-2,280.28

Finding the Fourth Proportional to 4,143.16, 5,717.94 and 2,280.28

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Solution

The fourth proportional to 4,143.16, 5,717.94 and 2,280.28 is: 3,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.16 : 5,717.94 = 2,280.28 : x
  2. Step 2: Convert to fraction form
    4,143.16/5,717.94 = 2,280.28/x
  3. Step 3: Cross multiply
    4,143.16x = 5,717.94 × 2,280.28
  4. Step 4: Simplify right side
    4,143.16x = 13,038,504.22
  5. Step 5: Solve for x
    x = 13,038,504.22/4,143.16
  6. Step 6: Final answer
    x = 3,147.00

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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.