Home / 5,573.75-7,692.91-3,215.57

Finding the Fourth Proportional to 5,573.75, 7,692.91 and 3,215.57

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Solution

The fourth proportional to 5,573.75, 7,692.91 and 3,215.57 is: 4,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.75 : 7,692.91 = 3,215.57 : x
  2. Step 2: Convert to fraction form
    5,573.75/7,692.91 = 3,215.57/x
  3. Step 3: Cross multiply
    5,573.75x = 7,692.91 × 3,215.57
  4. Step 4: Simplify right side
    5,573.75x = 24,737,044.11
  5. Step 5: Solve for x
    x = 24,737,044.11/5,573.75
  6. Step 6: Final answer
    x = 4,438.14

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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.