Home / 5,437.42-8,157.15-3,100.06

Finding the Fourth Proportional to 5,437.42, 8,157.15 and 3,100.06

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Solution

The fourth proportional to 5,437.42, 8,157.15 and 3,100.06 is: 4,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.42 : 8,157.15 = 3,100.06 : x
  2. Step 2: Convert to fraction form
    5,437.42/8,157.15 = 3,100.06/x
  3. Step 3: Cross multiply
    5,437.42x = 8,157.15 × 3,100.06
  4. Step 4: Simplify right side
    5,437.42x = 25,287,654.43
  5. Step 5: Solve for x
    x = 25,287,654.43/5,437.42
  6. Step 6: Final answer
    x = 4,650.67

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Half scale
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Double scale
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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.