Home / 3,996.19-5,518.23-2,506.67

Finding the Fourth Proportional to 3,996.19, 5,518.23 and 2,506.67

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Solution

The fourth proportional to 3,996.19, 5,518.23 and 2,506.67 is: 3,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.19 : 5,518.23 = 2,506.67 : x
  2. Step 2: Convert to fraction form
    3,996.19/5,518.23 = 2,506.67/x
  3. Step 3: Cross multiply
    3,996.19x = 5,518.23 × 2,506.67
  4. Step 4: Simplify right side
    3,996.19x = 13,832,365.30
  5. Step 5: Solve for x
    x = 13,832,365.30/3,996.19
  6. Step 6: Final answer
    x = 3,461.39

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Half scale
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Double scale
Find fourth proportional to 3,997.19, 5,519.61 and 2,507.67
Similar ratio
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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.