Home / 2,971.11-4,098.35-1,962.83

Finding the Fourth Proportional to 2,971.11, 4,098.35 and 1,962.83

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Solution

The fourth proportional to 2,971.11, 4,098.35 and 1,962.83 is: 2,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.11 : 4,098.35 = 1,962.83 : x
  2. Step 2: Convert to fraction form
    2,971.11/4,098.35 = 1,962.83/x
  3. Step 3: Cross multiply
    2,971.11x = 4,098.35 × 1,962.83
  4. Step 4: Simplify right side
    2,971.11x = 8,044,334.02
  5. Step 5: Solve for x
    x = 8,044,334.02/2,971.11
  6. Step 6: Final answer
    x = 2,707.52

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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.