Home / 5,252.48-7,248.56-2,894.72

Finding the Fourth Proportional to 5,252.48, 7,248.56 and 2,894.72

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Solution

The fourth proportional to 5,252.48, 7,248.56 and 2,894.72 is: 3,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.48 : 7,248.56 = 2,894.72 : x
  2. Step 2: Convert to fraction form
    5,252.48/7,248.56 = 2,894.72/x
  3. Step 3: Cross multiply
    5,252.48x = 7,248.56 × 2,894.72
  4. Step 4: Simplify right side
    5,252.48x = 20,982,551.60
  5. Step 5: Solve for x
    x = 20,982,551.60/5,252.48
  6. Step 6: Final answer
    x = 3,994.79

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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.