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Finding the Fourth Proportional to 3,433.98, 4,738.92 and 1,862.10

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Solution

The fourth proportional to 3,433.98, 4,738.92 and 1,862.10 is: 2,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.98 : 4,738.92 = 1,862.10 : x
  2. Step 2: Convert to fraction form
    3,433.98/4,738.92 = 1,862.10/x
  3. Step 3: Cross multiply
    3,433.98x = 4,738.92 × 1,862.10
  4. Step 4: Simplify right side
    3,433.98x = 8,824,342.93
  5. Step 5: Solve for x
    x = 8,824,342.93/3,433.98
  6. Step 6: Final answer
    x = 2,569.71

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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.