Home / 5,252.71-7,248.72-2,894.80

Finding the Fourth Proportional to 5,252.71, 7,248.72 and 2,894.80

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Solution

The fourth proportional to 5,252.71, 7,248.72 and 2,894.80 is: 3,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.71 : 7,248.72 = 2,894.80 : x
  2. Step 2: Convert to fraction form
    5,252.71/7,248.72 = 2,894.80/x
  3. Step 3: Cross multiply
    5,252.71x = 7,248.72 × 2,894.80
  4. Step 4: Simplify right side
    5,252.71x = 20,983,594.66
  5. Step 5: Solve for x
    x = 20,983,594.66/5,252.71
  6. Step 6: Final answer
    x = 3,994.81

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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.