Home / 4,157.60-6,238.02-2,207.12

Finding the Fourth Proportional to 4,157.60, 6,238.02 and 2,207.12

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Solution

The fourth proportional to 4,157.60, 6,238.02 and 2,207.12 is: 3,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.60 : 6,238.02 = 2,207.12 : x
  2. Step 2: Convert to fraction form
    4,157.60/6,238.02 = 2,207.12/x
  3. Step 3: Cross multiply
    4,157.60x = 6,238.02 × 2,207.12
  4. Step 4: Simplify right side
    4,157.60x = 13,768,058.70
  5. Step 5: Solve for x
    x = 13,768,058.70/4,157.60
  6. Step 6: Final answer
    x = 3,311.54

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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.