Home / 5,236.93-7,227.35-2,879.11

Finding the Fourth Proportional to 5,236.93, 7,227.35 and 2,879.11

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Solution

The fourth proportional to 5,236.93, 7,227.35 and 2,879.11 is: 3,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.93 : 7,227.35 = 2,879.11 : x
  2. Step 2: Convert to fraction form
    5,236.93/7,227.35 = 2,879.11/x
  3. Step 3: Cross multiply
    5,236.93x = 7,227.35 × 2,879.11
  4. Step 4: Simplify right side
    5,236.93x = 20,808,335.66
  5. Step 5: Solve for x
    x = 20,808,335.66/5,236.93
  6. Step 6: Final answer
    x = 3,973.38

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Half scale
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Double scale
Find fourth proportional to 5,237.93, 7,228.73 and 2,880.11
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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.