Home / 2,077.59-3,117.38-1,297.38

Finding the Fourth Proportional to 2,077.59, 3,117.38 and 1,297.38

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Solution

The fourth proportional to 2,077.59, 3,117.38 and 1,297.38 is: 1,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.59 : 3,117.38 = 1,297.38 : x
  2. Step 2: Convert to fraction form
    2,077.59/3,117.38 = 1,297.38/x
  3. Step 3: Cross multiply
    2,077.59x = 3,117.38 × 1,297.38
  4. Step 4: Simplify right side
    2,077.59x = 4,044,426.46
  5. Step 5: Solve for x
    x = 4,044,426.46/2,077.59
  6. Step 6: Final answer
    x = 1,946.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.