Home / 2,083.16-3,125.14-986.93

Finding the Fourth Proportional to 2,083.16, 3,125.14 and 986.93

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Solution

The fourth proportional to 2,083.16, 3,125.14 and 986.93 is: 1,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.16 : 3,125.14 = 986.93 : x
  2. Step 2: Convert to fraction form
    2,083.16/3,125.14 = 986.93/x
  3. Step 3: Cross multiply
    2,083.16x = 3,125.14 × 986.93
  4. Step 4: Simplify right side
    2,083.16x = 3,084,278.79
  5. Step 5: Solve for x
    x = 3,084,278.79/2,083.16
  6. Step 6: Final answer
    x = 1,480.58

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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.