Home / 5,057.80-7,586.33-2,135.81

Finding the Fourth Proportional to 5,057.80, 7,586.33 and 2,135.81

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Solution

The fourth proportional to 5,057.80, 7,586.33 and 2,135.81 is: 3,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.80 : 7,586.33 = 2,135.81 : x
  2. Step 2: Convert to fraction form
    5,057.80/7,586.33 = 2,135.81/x
  3. Step 3: Cross multiply
    5,057.80x = 7,586.33 × 2,135.81
  4. Step 4: Simplify right side
    5,057.80x = 16,202,967.76
  5. Step 5: Solve for x
    x = 16,202,967.76/5,057.80
  6. Step 6: Final answer
    x = 3,203.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.