Home / 7,240.19-10,860.28-2,046.20

Finding the Fourth Proportional to 7,240.19, 10,860.28 and 2,046.20

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Solution

The fourth proportional to 7,240.19, 10,860.28 and 2,046.20 is: 3,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.19 : 10,860.28 = 2,046.20 : x
  2. Step 2: Convert to fraction form
    7,240.19/10,860.28 = 2,046.20/x
  3. Step 3: Cross multiply
    7,240.19x = 10,860.28 × 2,046.20
  4. Step 4: Simplify right side
    7,240.19x = 22,222,304.94
  5. Step 5: Solve for x
    x = 22,222,304.94/7,240.19
  6. Step 6: Final answer
    x = 3,069.30

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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.