Home / 2,092.98-3,140.05-923.91

Finding the Fourth Proportional to 2,092.98, 3,140.05 and 923.91

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Solution

The fourth proportional to 2,092.98, 3,140.05 and 923.91 is: 1,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.98 : 3,140.05 = 923.91 : x
  2. Step 2: Convert to fraction form
    2,092.98/3,140.05 = 923.91/x
  3. Step 3: Cross multiply
    2,092.98x = 3,140.05 × 923.91
  4. Step 4: Simplify right side
    2,092.98x = 2,901,133.06
  5. Step 5: Solve for x
    x = 2,901,133.06/2,092.98
  6. Step 6: Final answer
    x = 1,386.13

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Why These Related Problems?

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