Home / 2,298.92-3,172.58-1,304.16

Finding the Fourth Proportional to 2,298.92, 3,172.58 and 1,304.16

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Solution

The fourth proportional to 2,298.92, 3,172.58 and 1,304.16 is: 1,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.92 : 3,172.58 = 1,304.16 : x
  2. Step 2: Convert to fraction form
    2,298.92/3,172.58 = 1,304.16/x
  3. Step 3: Cross multiply
    2,298.92x = 3,172.58 × 1,304.16
  4. Step 4: Simplify right side
    2,298.92x = 4,137,551.93
  5. Step 5: Solve for x
    x = 4,137,551.93/2,298.92
  6. Step 6: Final answer
    x = 1,799.78

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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.