Home / 5,325.18-7,348.05-3,086.57

Finding the Fourth Proportional to 5,325.18, 7,348.05 and 3,086.57

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Solution

The fourth proportional to 5,325.18, 7,348.05 and 3,086.57 is: 4,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.18 : 7,348.05 = 3,086.57 : x
  2. Step 2: Convert to fraction form
    5,325.18/7,348.05 = 3,086.57/x
  3. Step 3: Cross multiply
    5,325.18x = 7,348.05 × 3,086.57
  4. Step 4: Simplify right side
    5,325.18x = 22,680,289.06
  5. Step 5: Solve for x
    x = 22,680,289.06/5,325.18
  6. Step 6: Final answer
    x = 4,259.07

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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.