Home / 4,781.99-7,172.91-2,317.02

Finding the Fourth Proportional to 4,781.99, 7,172.91 and 2,317.02

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Solution

The fourth proportional to 4,781.99, 7,172.91 and 2,317.02 is: 3,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.99 : 7,172.91 = 2,317.02 : x
  2. Step 2: Convert to fraction form
    4,781.99/7,172.91 = 2,317.02/x
  3. Step 3: Cross multiply
    4,781.99x = 7,172.91 × 2,317.02
  4. Step 4: Simplify right side
    4,781.99x = 16,619,775.93
  5. Step 5: Solve for x
    x = 16,619,775.93/4,781.99
  6. Step 6: Final answer
    x = 3,475.50

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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.