Home / 5,434.99-7,499.05-3,311.62

Finding the Fourth Proportional to 5,434.99, 7,499.05 and 3,311.62

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Solution

The fourth proportional to 5,434.99, 7,499.05 and 3,311.62 is: 4,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.99 : 7,499.05 = 3,311.62 : x
  2. Step 2: Convert to fraction form
    5,434.99/7,499.05 = 3,311.62/x
  3. Step 3: Cross multiply
    5,434.99x = 7,499.05 × 3,311.62
  4. Step 4: Simplify right side
    5,434.99x = 24,834,003.96
  5. Step 5: Solve for x
    x = 24,834,003.96/5,434.99
  6. Step 6: Final answer
    x = 4,569.28

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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.