Home / 5,252.25-7,248.11-2,894.61

Finding the Fourth Proportional to 5,252.25, 7,248.11 and 2,894.61

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Solution

The fourth proportional to 5,252.25, 7,248.11 and 2,894.61 is: 3,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.25 : 7,248.11 = 2,894.61 : x
  2. Step 2: Convert to fraction form
    5,252.25/7,248.11 = 2,894.61/x
  3. Step 3: Cross multiply
    5,252.25x = 7,248.11 × 2,894.61
  4. Step 4: Simplify right side
    5,252.25x = 20,980,437.21
  5. Step 5: Solve for x
    x = 20,980,437.21/5,252.25
  6. Step 6: Final answer
    x = 3,994.56

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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.