Home / 5,107.49-7,051.59-3,408.42

Finding the Fourth Proportional to 5,107.49, 7,051.59 and 3,408.42

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Solution

The fourth proportional to 5,107.49, 7,051.59 and 3,408.42 is: 4,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.49 : 7,051.59 = 3,408.42 : x
  2. Step 2: Convert to fraction form
    5,107.49/7,051.59 = 3,408.42/x
  3. Step 3: Cross multiply
    5,107.49x = 7,051.59 × 3,408.42
  4. Step 4: Simplify right side
    5,107.49x = 24,034,780.39
  5. Step 5: Solve for x
    x = 24,034,780.39/5,107.49
  6. Step 6: Final answer
    x = 4,705.80

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Half scale
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Double scale
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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.