Home / 7,024.15-10,533.66-2,640.43

Finding the Fourth Proportional to 7,024.15, 10,533.66 and 2,640.43

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Solution

The fourth proportional to 7,024.15, 10,533.66 and 2,640.43 is: 3,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.15 : 10,533.66 = 2,640.43 : x
  2. Step 2: Convert to fraction form
    7,024.15/10,533.66 = 2,640.43/x
  3. Step 3: Cross multiply
    7,024.15x = 10,533.66 × 2,640.43
  4. Step 4: Simplify right side
    7,024.15x = 27,813,391.87
  5. Step 5: Solve for x
    x = 27,813,391.87/7,024.15
  6. Step 6: Final answer
    x = 3,959.68

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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.