Home / 7,282.38-10,920.80-2,601.51

Finding the Fourth Proportional to 7,282.38, 10,920.80 and 2,601.51

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Solution

The fourth proportional to 7,282.38, 10,920.80 and 2,601.51 is: 3,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.38 : 10,920.80 = 2,601.51 : x
  2. Step 2: Convert to fraction form
    7,282.38/10,920.80 = 2,601.51/x
  3. Step 3: Cross multiply
    7,282.38x = 10,920.80 × 2,601.51
  4. Step 4: Simplify right side
    7,282.38x = 28,410,557.40
  5. Step 5: Solve for x
    x = 28,410,557.40/7,282.38
  6. Step 6: Final answer
    x = 3,901.27

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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.