Home / 5,845.20-8,767.80-4,095.60

Finding the Fourth Proportional to 5,845.20, 8,767.80 and 4,095.60

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Solution

The fourth proportional to 5,845.20, 8,767.80 and 4,095.60 is: 6,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.20 : 8,767.80 = 4,095.60 : x
  2. Step 2: Convert to fraction form
    5,845.20/8,767.80 = 4,095.60/x
  3. Step 3: Cross multiply
    5,845.20x = 8,767.80 × 4,095.60
  4. Step 4: Simplify right side
    5,845.20x = 35,909,401.68
  5. Step 5: Solve for x
    x = 35,909,401.68/5,845.20
  6. Step 6: Final answer
    x = 6,143.40

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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.