Home / 1,962.14-2,707.76-1,077.93

Finding the Fourth Proportional to 1,962.14, 2,707.76 and 1,077.93

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Solution

The fourth proportional to 1,962.14, 2,707.76 and 1,077.93 is: 1,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.14 : 2,707.76 = 1,077.93 : x
  2. Step 2: Convert to fraction form
    1,962.14/2,707.76 = 1,077.93/x
  3. Step 3: Cross multiply
    1,962.14x = 2,707.76 × 1,077.93
  4. Step 4: Simplify right side
    1,962.14x = 2,918,778.43
  5. Step 5: Solve for x
    x = 2,918,778.43/1,962.14
  6. Step 6: Final answer
    x = 1,487.55

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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.