Home / 5,451.60-8,158.86-4,575.07

Finding the Fourth Proportional to 5,451.60, 8,158.86 and 4,575.07

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Solution

The fourth proportional to 5,451.60, 8,158.86 and 4,575.07 is: 6,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.60 : 8,158.86 = 4,575.07 : x
  2. Step 2: Convert to fraction form
    5,451.60/8,158.86 = 4,575.07/x
  3. Step 3: Cross multiply
    5,451.60x = 8,158.86 × 4,575.07
  4. Step 4: Simplify right side
    5,451.60x = 37,327,355.62
  5. Step 5: Solve for x
    x = 37,327,355.62/5,451.60
  6. Step 6: Final answer
    x = 6,847.05

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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.