Home / 5,232.16-7,221.44-3,214.65

Finding the Fourth Proportional to 5,232.16, 7,221.44 and 3,214.65

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Solution

The fourth proportional to 5,232.16, 7,221.44 and 3,214.65 is: 4,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.16 : 7,221.44 = 3,214.65 : x
  2. Step 2: Convert to fraction form
    5,232.16/7,221.44 = 3,214.65/x
  3. Step 3: Cross multiply
    5,232.16x = 7,221.44 × 3,214.65
  4. Step 4: Simplify right side
    5,232.16x = 23,214,386.02
  5. Step 5: Solve for x
    x = 23,214,386.02/5,232.16
  6. Step 6: Final answer
    x = 4,436.87

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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.