Home / 3,423.38-4,724.26-1,851.47

Finding the Fourth Proportional to 3,423.38, 4,724.26 and 1,851.47

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Solution

The fourth proportional to 3,423.38, 4,724.26 and 1,851.47 is: 2,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.38 : 4,724.26 = 1,851.47 : x
  2. Step 2: Convert to fraction form
    3,423.38/4,724.26 = 1,851.47/x
  3. Step 3: Cross multiply
    3,423.38x = 4,724.26 × 1,851.47
  4. Step 4: Simplify right side
    3,423.38x = 8,746,825.66
  5. Step 5: Solve for x
    x = 8,746,825.66/3,423.38
  6. Step 6: Final answer
    x = 2,555.03

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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.