Home / 5,350.80-7,384.56-2,993.12

Finding the Fourth Proportional to 5,350.80, 7,384.56 and 2,993.12

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Solution

The fourth proportional to 5,350.80, 7,384.56 and 2,993.12 is: 4,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.80 : 7,384.56 = 2,993.12 : x
  2. Step 2: Convert to fraction form
    5,350.80/7,384.56 = 2,993.12/x
  3. Step 3: Cross multiply
    5,350.80x = 7,384.56 × 2,993.12
  4. Step 4: Simplify right side
    5,350.80x = 22,102,874.23
  5. Step 5: Solve for x
    x = 22,102,874.23/5,350.80
  6. Step 6: Final answer
    x = 4,130.76

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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.