Home / 5,551.44-8,329.32-2,091.12

Finding the Fourth Proportional to 5,551.44, 8,329.32 and 2,091.12

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Solution

The fourth proportional to 5,551.44, 8,329.32 and 2,091.12 is: 3,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.44 : 8,329.32 = 2,091.12 : x
  2. Step 2: Convert to fraction form
    5,551.44/8,329.32 = 2,091.12/x
  3. Step 3: Cross multiply
    5,551.44x = 8,329.32 × 2,091.12
  4. Step 4: Simplify right side
    5,551.44x = 17,417,607.64
  5. Step 5: Solve for x
    x = 17,417,607.64/5,551.44
  6. Step 6: Final answer
    x = 3,137.49

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Half scale
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Double scale
Find fourth proportional to 5,552.44, 8,330.82 and 2,092.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.