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Finding the Fourth Proportional to 2,795.88, 3,857.76 and 2,377.92

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Solution

The fourth proportional to 2,795.88, 3,857.76 and 2,377.92 is: 3,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.88 : 3,857.76 = 2,377.92 : x
  2. Step 2: Convert to fraction form
    2,795.88/3,857.76 = 2,377.92/x
  3. Step 3: Cross multiply
    2,795.88x = 3,857.76 × 2,377.92
  4. Step 4: Simplify right side
    2,795.88x = 9,173,444.66
  5. Step 5: Solve for x
    x = 9,173,444.66/2,795.88
  6. Step 6: Final answer
    x = 3,281.06

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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.