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Finding the Fourth Proportional to 2,895.88, 3,996.32 and 1,653.88

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Solution

The fourth proportional to 2,895.88, 3,996.32 and 1,653.88 is: 2,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.88 : 3,996.32 = 1,653.88 : x
  2. Step 2: Convert to fraction form
    2,895.88/3,996.32 = 1,653.88/x
  3. Step 3: Cross multiply
    2,895.88x = 3,996.32 × 1,653.88
  4. Step 4: Simplify right side
    2,895.88x = 6,609,433.72
  5. Step 5: Solve for x
    x = 6,609,433.72/2,895.88
  6. Step 6: Final answer
    x = 2,282.36

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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.