Home / 5,328.76-7,353.62-3,091.02

Finding the Fourth Proportional to 5,328.76, 7,353.62 and 3,091.02

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Solution

The fourth proportional to 5,328.76, 7,353.62 and 3,091.02 is: 4,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.76 : 7,353.62 = 3,091.02 : x
  2. Step 2: Convert to fraction form
    5,328.76/7,353.62 = 3,091.02/x
  3. Step 3: Cross multiply
    5,328.76x = 7,353.62 × 3,091.02
  4. Step 4: Simplify right side
    5,328.76x = 22,730,153.70
  5. Step 5: Solve for x
    x = 22,730,153.70/5,328.76
  6. Step 6: Final answer
    x = 4,265.56

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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.