Home / 5,248.87-7,873.40-1,551.17

Finding the Fourth Proportional to 5,248.87, 7,873.40 and 1,551.17

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Solution

The fourth proportional to 5,248.87, 7,873.40 and 1,551.17 is: 2,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.87 : 7,873.40 = 1,551.17 : x
  2. Step 2: Convert to fraction form
    5,248.87/7,873.40 = 1,551.17/x
  3. Step 3: Cross multiply
    5,248.87x = 7,873.40 × 1,551.17
  4. Step 4: Simplify right side
    5,248.87x = 12,212,981.88
  5. Step 5: Solve for x
    x = 12,212,981.88/5,248.87
  6. Step 6: Final answer
    x = 2,326.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.