Home / 1,960.15-2,706.66-1,432.03

Finding the Fourth Proportional to 1,960.15, 2,706.66 and 1,432.03

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Solution

The fourth proportional to 1,960.15, 2,706.66 and 1,432.03 is: 1,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.15 : 2,706.66 = 1,432.03 : x
  2. Step 2: Convert to fraction form
    1,960.15/2,706.66 = 1,432.03/x
  3. Step 3: Cross multiply
    1,960.15x = 2,706.66 × 1,432.03
  4. Step 4: Simplify right side
    1,960.15x = 3,876,018.32
  5. Step 5: Solve for x
    x = 3,876,018.32/1,960.15
  6. Step 6: Final answer
    x = 1,977.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.