Home / 5,252.27-7,248.45-2,894.40

Finding the Fourth Proportional to 5,252.27, 7,248.45 and 2,894.40

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Solution

The fourth proportional to 5,252.27, 7,248.45 and 2,894.40 is: 3,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.27 : 7,248.45 = 2,894.40 : x
  2. Step 2: Convert to fraction form
    5,252.27/7,248.45 = 2,894.40/x
  3. Step 3: Cross multiply
    5,252.27x = 7,248.45 × 2,894.40
  4. Step 4: Simplify right side
    5,252.27x = 20,979,913.68
  5. Step 5: Solve for x
    x = 20,979,913.68/5,252.27
  6. Step 6: Final answer
    x = 3,994.45

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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.