Home / 5,351.85-7,384.50-2,993.55

Finding the Fourth Proportional to 5,351.85, 7,384.50 and 2,993.55

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Solution

The fourth proportional to 5,351.85, 7,384.50 and 2,993.55 is: 4,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.85 : 7,384.50 = 2,993.55 : x
  2. Step 2: Convert to fraction form
    5,351.85/7,384.50 = 2,993.55/x
  3. Step 3: Cross multiply
    5,351.85x = 7,384.50 × 2,993.55
  4. Step 4: Simplify right side
    5,351.85x = 22,105,869.98
  5. Step 5: Solve for x
    x = 22,105,869.98/5,351.85
  6. Step 6: Final answer
    x = 4,130.51

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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.