Home / 4,147.55-6,221.41-1,374.24

Finding the Fourth Proportional to 4,147.55, 6,221.41 and 1,374.24

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Solution

The fourth proportional to 4,147.55, 6,221.41 and 1,374.24 is: 2,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.55 : 6,221.41 = 1,374.24 : x
  2. Step 2: Convert to fraction form
    4,147.55/6,221.41 = 1,374.24/x
  3. Step 3: Cross multiply
    4,147.55x = 6,221.41 × 1,374.24
  4. Step 4: Simplify right side
    4,147.55x = 8,549,712.88
  5. Step 5: Solve for x
    x = 8,549,712.88/4,147.55
  6. Step 6: Final answer
    x = 2,061.39

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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.