Home / 2,368.24-3,552.37-724.78

Finding the Fourth Proportional to 2,368.24, 3,552.37 and 724.78

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Solution

The fourth proportional to 2,368.24, 3,552.37 and 724.78 is: 1,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.24 : 3,552.37 = 724.78 : x
  2. Step 2: Convert to fraction form
    2,368.24/3,552.37 = 724.78/x
  3. Step 3: Cross multiply
    2,368.24x = 3,552.37 × 724.78
  4. Step 4: Simplify right side
    2,368.24x = 2,574,686.73
  5. Step 5: Solve for x
    x = 2,574,686.73/2,368.24
  6. Step 6: Final answer
    x = 1,087.17

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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.