Home / 4,119.62-5,685.02-2,351.26

Finding the Fourth Proportional to 4,119.62, 5,685.02 and 2,351.26

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Solution

The fourth proportional to 4,119.62, 5,685.02 and 2,351.26 is: 3,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.62 : 5,685.02 = 2,351.26 : x
  2. Step 2: Convert to fraction form
    4,119.62/5,685.02 = 2,351.26/x
  3. Step 3: Cross multiply
    4,119.62x = 5,685.02 × 2,351.26
  4. Step 4: Simplify right side
    4,119.62x = 13,366,931.70
  5. Step 5: Solve for x
    x = 13,366,931.70/4,119.62
  6. Step 6: Final answer
    x = 3,244.70

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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.