Home / 5,252.72-7,248.71-2,894.87

Finding the Fourth Proportional to 5,252.72, 7,248.71 and 2,894.87

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Solution

The fourth proportional to 5,252.72, 7,248.71 and 2,894.87 is: 3,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.72 : 7,248.71 = 2,894.87 : x
  2. Step 2: Convert to fraction form
    5,252.72/7,248.71 = 2,894.87/x
  3. Step 3: Cross multiply
    5,252.72x = 7,248.71 × 2,894.87
  4. Step 4: Simplify right side
    5,252.72x = 20,984,098.48
  5. Step 5: Solve for x
    x = 20,984,098.48/5,252.72
  6. Step 6: Final answer
    x = 3,994.91

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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.