Home / 4,102.83-5,661.20-2,423.61

Finding the Fourth Proportional to 4,102.83, 5,661.20 and 2,423.61

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Solution

The fourth proportional to 4,102.83, 5,661.20 and 2,423.61 is: 3,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.83 : 5,661.20 = 2,423.61 : x
  2. Step 2: Convert to fraction form
    4,102.83/5,661.20 = 2,423.61/x
  3. Step 3: Cross multiply
    4,102.83x = 5,661.20 × 2,423.61
  4. Step 4: Simplify right side
    4,102.83x = 13,720,528.81
  5. Step 5: Solve for x
    x = 13,720,528.81/4,102.83
  6. Step 6: Final answer
    x = 3,344.16

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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.