Home / 6,237.48-8,610.84-3,880.38

Finding the Fourth Proportional to 6,237.48, 8,610.84 and 3,880.38

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Solution

The fourth proportional to 6,237.48, 8,610.84 and 3,880.38 is: 5,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.48 : 8,610.84 = 3,880.38 : x
  2. Step 2: Convert to fraction form
    6,237.48/8,610.84 = 3,880.38/x
  3. Step 3: Cross multiply
    6,237.48x = 8,610.84 × 3,880.38
  4. Step 4: Simplify right side
    6,237.48x = 33,413,331.32
  5. Step 5: Solve for x
    x = 33,413,331.32/6,237.48
  6. Step 6: Final answer
    x = 5,356.86

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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.