Home / 4,115.34-5,677.77-2,345.70

Finding the Fourth Proportional to 4,115.34, 5,677.77 and 2,345.70

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Solution

The fourth proportional to 4,115.34, 5,677.77 and 2,345.70 is: 3,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.34 : 5,677.77 = 2,345.70 : x
  2. Step 2: Convert to fraction form
    4,115.34/5,677.77 = 2,345.70/x
  3. Step 3: Cross multiply
    4,115.34x = 5,677.77 × 2,345.70
  4. Step 4: Simplify right side
    4,115.34x = 13,318,345.09
  5. Step 5: Solve for x
    x = 13,318,345.09/4,115.34
  6. Step 6: Final answer
    x = 3,236.27

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Half scale
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Double scale
Find fourth proportional to 4,116.34, 5,679.15 and 2,346.70
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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.