Home / 3,840.41-5,298.57-2,346.73

Finding the Fourth Proportional to 3,840.41, 5,298.57 and 2,346.73

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Solution

The fourth proportional to 3,840.41, 5,298.57 and 2,346.73 is: 3,237.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.41 : 5,298.57 = 2,346.73 : x
  2. Step 2: Convert to fraction form
    3,840.41/5,298.57 = 2,346.73/x
  3. Step 3: Cross multiply
    3,840.41x = 5,298.57 × 2,346.73
  4. Step 4: Simplify right side
    3,840.41x = 12,434,299.93
  5. Step 5: Solve for x
    x = 12,434,299.93/3,840.41
  6. Step 6: Final answer
    x = 3,237.75

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Half scale
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Double scale
Find fourth proportional to 3,841.41, 5,299.95 and 2,347.73
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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.