Home / 2,972.08-4,459.68-1,741.90

Finding the Fourth Proportional to 2,972.08, 4,459.68 and 1,741.90

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Solution

The fourth proportional to 2,972.08, 4,459.68 and 1,741.90 is: 2,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.08 : 4,459.68 = 1,741.90 : x
  2. Step 2: Convert to fraction form
    2,972.08/4,459.68 = 1,741.90/x
  3. Step 3: Cross multiply
    2,972.08x = 4,459.68 × 1,741.90
  4. Step 4: Simplify right side
    2,972.08x = 7,768,316.59
  5. Step 5: Solve for x
    x = 7,768,316.59/2,972.08
  6. Step 6: Final answer
    x = 2,613.76

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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.