Home / 5,252.40-7,248.21-2,894.55

Finding the Fourth Proportional to 5,252.40, 7,248.21 and 2,894.55

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Solution

The fourth proportional to 5,252.40, 7,248.21 and 2,894.55 is: 3,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.40 : 7,248.21 = 2,894.55 : x
  2. Step 2: Convert to fraction form
    5,252.40/7,248.21 = 2,894.55/x
  3. Step 3: Cross multiply
    5,252.40x = 7,248.21 × 2,894.55
  4. Step 4: Simplify right side
    5,252.40x = 20,980,306.26
  5. Step 5: Solve for x
    x = 20,980,306.26/5,252.40
  6. Step 6: Final answer
    x = 3,994.42

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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.