Home / 5,865.80-8,095.36-3,213.62

Finding the Fourth Proportional to 5,865.80, 8,095.36 and 3,213.62

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Solution

The fourth proportional to 5,865.80, 8,095.36 and 3,213.62 is: 4,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.80 : 8,095.36 = 3,213.62 : x
  2. Step 2: Convert to fraction form
    5,865.80/8,095.36 = 3,213.62/x
  3. Step 3: Cross multiply
    5,865.80x = 8,095.36 × 3,213.62
  4. Step 4: Simplify right side
    5,865.80x = 26,015,410.80
  5. Step 5: Solve for x
    x = 26,015,410.80/5,865.80
  6. Step 6: Final answer
    x = 4,435.10

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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.