Home / 5,320.10-7,344.34-3,331.76

Finding the Fourth Proportional to 5,320.10, 7,344.34 and 3,331.76

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Solution

The fourth proportional to 5,320.10, 7,344.34 and 3,331.76 is: 4,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.10 : 7,344.34 = 3,331.76 : x
  2. Step 2: Convert to fraction form
    5,320.10/7,344.34 = 3,331.76/x
  3. Step 3: Cross multiply
    5,320.10x = 7,344.34 × 3,331.76
  4. Step 4: Simplify right side
    5,320.10x = 24,469,578.24
  5. Step 5: Solve for x
    x = 24,469,578.24/5,320.10
  6. Step 6: Final answer
    x = 4,599.46

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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.