Home / 2,042.38-2,818.08-1,255.98

Finding the Fourth Proportional to 2,042.38, 2,818.08 and 1,255.98

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Solution

The fourth proportional to 2,042.38, 2,818.08 and 1,255.98 is: 1,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.38 : 2,818.08 = 1,255.98 : x
  2. Step 2: Convert to fraction form
    2,042.38/2,818.08 = 1,255.98/x
  3. Step 3: Cross multiply
    2,042.38x = 2,818.08 × 1,255.98
  4. Step 4: Simplify right side
    2,042.38x = 3,539,452.12
  5. Step 5: Solve for x
    x = 3,539,452.12/2,042.38
  6. Step 6: Final answer
    x = 1,733.01

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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.