Home / 5,529.93-7,631.45-3,012.15

Finding the Fourth Proportional to 5,529.93, 7,631.45 and 3,012.15

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Solution

The fourth proportional to 5,529.93, 7,631.45 and 3,012.15 is: 4,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.93 : 7,631.45 = 3,012.15 : x
  2. Step 2: Convert to fraction form
    5,529.93/7,631.45 = 3,012.15/x
  3. Step 3: Cross multiply
    5,529.93x = 7,631.45 × 3,012.15
  4. Step 4: Simplify right side
    5,529.93x = 22,987,072.12
  5. Step 5: Solve for x
    x = 22,987,072.12/5,529.93
  6. Step 6: Final answer
    x = 4,156.85

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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.