Home / 2,084.16-3,125.20-697.02

Finding the Fourth Proportional to 2,084.16, 3,125.20 and 697.02

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Solution

The fourth proportional to 2,084.16, 3,125.20 and 697.02 is: 1,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.16 : 3,125.20 = 697.02 : x
  2. Step 2: Convert to fraction form
    2,084.16/3,125.20 = 697.02/x
  3. Step 3: Cross multiply
    2,084.16x = 3,125.20 × 697.02
  4. Step 4: Simplify right side
    2,084.16x = 2,178,326.90
  5. Step 5: Solve for x
    x = 2,178,326.90/2,084.16
  6. Step 6: Final answer
    x = 1,045.18

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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.