Home / 2,095.24-2,891.49-1,255.66

Finding the Fourth Proportional to 2,095.24, 2,891.49 and 1,255.66

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Solution

The fourth proportional to 2,095.24, 2,891.49 and 1,255.66 is: 1,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.24 : 2,891.49 = 1,255.66 : x
  2. Step 2: Convert to fraction form
    2,095.24/2,891.49 = 1,255.66/x
  3. Step 3: Cross multiply
    2,095.24x = 2,891.49 × 1,255.66
  4. Step 4: Simplify right side
    2,095.24x = 3,630,728.33
  5. Step 5: Solve for x
    x = 3,630,728.33/2,095.24
  6. Step 6: Final answer
    x = 1,732.85

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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.