Home / 5,692.10-8,538.15-5,108.90

Finding the Fourth Proportional to 5,692.10, 8,538.15 and 5,108.90

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Solution

The fourth proportional to 5,692.10, 8,538.15 and 5,108.90 is: 7,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.10 : 8,538.15 = 5,108.90 : x
  2. Step 2: Convert to fraction form
    5,692.10/8,538.15 = 5,108.90/x
  3. Step 3: Cross multiply
    5,692.10x = 8,538.15 × 5,108.90
  4. Step 4: Simplify right side
    5,692.10x = 43,620,554.54
  5. Step 5: Solve for x
    x = 43,620,554.54/5,692.10
  6. Step 6: Final answer
    x = 7,663.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.