Home / 1,897.44-2,617.76-1,151.14

Finding the Fourth Proportional to 1,897.44, 2,617.76 and 1,151.14

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Solution

The fourth proportional to 1,897.44, 2,617.76 and 1,151.14 is: 1,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.44 : 2,617.76 = 1,151.14 : x
  2. Step 2: Convert to fraction form
    1,897.44/2,617.76 = 1,151.14/x
  3. Step 3: Cross multiply
    1,897.44x = 2,617.76 × 1,151.14
  4. Step 4: Simplify right side
    1,897.44x = 3,013,408.25
  5. Step 5: Solve for x
    x = 3,013,408.25/1,897.44
  6. Step 6: Final answer
    x = 1,588.14

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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.