Home / 4,771.72-6,585.12-2,675.92

Finding the Fourth Proportional to 4,771.72, 6,585.12 and 2,675.92

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Solution

The fourth proportional to 4,771.72, 6,585.12 and 2,675.92 is: 3,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.72 : 6,585.12 = 2,675.92 : x
  2. Step 2: Convert to fraction form
    4,771.72/6,585.12 = 2,675.92/x
  3. Step 3: Cross multiply
    4,771.72x = 6,585.12 × 2,675.92
  4. Step 4: Simplify right side
    4,771.72x = 17,621,254.31
  5. Step 5: Solve for x
    x = 17,621,254.31/4,771.72
  6. Step 6: Final answer
    x = 3,692.85

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Double scale
Find fourth proportional to 4,772.72, 6,586.50 and 2,676.92
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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.