Home / 4,143.49-5,718.04-2,255.10

Finding the Fourth Proportional to 4,143.49, 5,718.04 and 2,255.10

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Solution

The fourth proportional to 4,143.49, 5,718.04 and 2,255.10 is: 3,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.49 : 5,718.04 = 2,255.10 : x
  2. Step 2: Convert to fraction form
    4,143.49/5,718.04 = 2,255.10/x
  3. Step 3: Cross multiply
    4,143.49x = 5,718.04 × 2,255.10
  4. Step 4: Simplify right side
    4,143.49x = 12,894,752.00
  5. Step 5: Solve for x
    x = 12,894,752.00/4,143.49
  6. Step 6: Final answer
    x = 3,112.05

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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.