Home / 4,692.20-7,031.88-1,768.91

Finding the Fourth Proportional to 4,692.20, 7,031.88 and 1,768.91

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Solution

The fourth proportional to 4,692.20, 7,031.88 and 1,768.91 is: 2,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.20 : 7,031.88 = 1,768.91 : x
  2. Step 2: Convert to fraction form
    4,692.20/7,031.88 = 1,768.91/x
  3. Step 3: Cross multiply
    4,692.20x = 7,031.88 × 1,768.91
  4. Step 4: Simplify right side
    4,692.20x = 12,438,727.69
  5. Step 5: Solve for x
    x = 12,438,727.69/4,692.20
  6. Step 6: Final answer
    x = 2,650.94

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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.