Home / 5,087.57-7,021.46-3,098.41

Finding the Fourth Proportional to 5,087.57, 7,021.46 and 3,098.41

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Solution

The fourth proportional to 5,087.57, 7,021.46 and 3,098.41 is: 4,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.57 : 7,021.46 = 3,098.41 : x
  2. Step 2: Convert to fraction form
    5,087.57/7,021.46 = 3,098.41/x
  3. Step 3: Cross multiply
    5,087.57x = 7,021.46 × 3,098.41
  4. Step 4: Simplify right side
    5,087.57x = 21,755,352.07
  5. Step 5: Solve for x
    x = 21,755,352.07/5,087.57
  6. Step 6: Final answer
    x = 4,276.18

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1.5x scale

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.