Home / 7,083.47-10,626.42-2,153.61

Finding the Fourth Proportional to 7,083.47, 10,626.42 and 2,153.61

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Solution

The fourth proportional to 7,083.47, 10,626.42 and 2,153.61 is: 3,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.47 : 10,626.42 = 2,153.61 : x
  2. Step 2: Convert to fraction form
    7,083.47/10,626.42 = 2,153.61/x
  3. Step 3: Cross multiply
    7,083.47x = 10,626.42 × 2,153.61
  4. Step 4: Simplify right side
    7,083.47x = 22,885,172.45
  5. Step 5: Solve for x
    x = 22,885,172.45/7,083.47
  6. Step 6: Final answer
    x = 3,230.78

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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.