Home / 2,631.07-3,630.99-1,452.12

Finding the Fourth Proportional to 2,631.07, 3,630.99 and 1,452.12

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Solution

The fourth proportional to 2,631.07, 3,630.99 and 1,452.12 is: 2,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.07 : 3,630.99 = 1,452.12 : x
  2. Step 2: Convert to fraction form
    2,631.07/3,630.99 = 1,452.12/x
  3. Step 3: Cross multiply
    2,631.07x = 3,630.99 × 1,452.12
  4. Step 4: Simplify right side
    2,631.07x = 5,272,633.20
  5. Step 5: Solve for x
    x = 5,272,633.20/2,631.07
  6. Step 6: Final answer
    x = 2,003.99

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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.