Home / 5,287.26-7,295.90-3,162.36

Finding the Fourth Proportional to 5,287.26, 7,295.90 and 3,162.36

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Solution

The fourth proportional to 5,287.26, 7,295.90 and 3,162.36 is: 4,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.26 : 7,295.90 = 3,162.36 : x
  2. Step 2: Convert to fraction form
    5,287.26/7,295.90 = 3,162.36/x
  3. Step 3: Cross multiply
    5,287.26x = 7,295.90 × 3,162.36
  4. Step 4: Simplify right side
    5,287.26x = 23,072,273.87
  5. Step 5: Solve for x
    x = 23,072,273.87/5,287.26
  6. Step 6: Final answer
    x = 4,363.75

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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.