Home / 5,212.76-7,192.96-4,153.22

Finding the Fourth Proportional to 5,212.76, 7,192.96 and 4,153.22

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Solution

The fourth proportional to 5,212.76, 7,192.96 and 4,153.22 is: 5,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.76 : 7,192.96 = 4,153.22 : x
  2. Step 2: Convert to fraction form
    5,212.76/7,192.96 = 4,153.22/x
  3. Step 3: Cross multiply
    5,212.76x = 7,192.96 × 4,153.22
  4. Step 4: Simplify right side
    5,212.76x = 29,873,945.33
  5. Step 5: Solve for x
    x = 29,873,945.33/5,212.76
  6. Step 6: Final answer
    x = 5,730.93

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Half scale
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Double scale
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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.