Home / 4,847.28-6,692.40-3,354.72

Finding the Fourth Proportional to 4,847.28, 6,692.40 and 3,354.72

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Solution

The fourth proportional to 4,847.28, 6,692.40 and 3,354.72 is: 4,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.28 : 6,692.40 = 3,354.72 : x
  2. Step 2: Convert to fraction form
    4,847.28/6,692.40 = 3,354.72/x
  3. Step 3: Cross multiply
    4,847.28x = 6,692.40 × 3,354.72
  4. Step 4: Simplify right side
    4,847.28x = 22,451,128.13
  5. Step 5: Solve for x
    x = 22,451,128.13/4,847.28
  6. Step 6: Final answer
    x = 4,631.70

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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.