Home / 2,651.47-3,666.97-2,319.32

Finding the Fourth Proportional to 2,651.47, 3,666.97 and 2,319.32

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Solution

The fourth proportional to 2,651.47, 3,666.97 and 2,319.32 is: 3,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.47 : 3,666.97 = 2,319.32 : x
  2. Step 2: Convert to fraction form
    2,651.47/3,666.97 = 2,319.32/x
  3. Step 3: Cross multiply
    2,651.47x = 3,666.97 × 2,319.32
  4. Step 4: Simplify right side
    2,651.47x = 8,504,876.86
  5. Step 5: Solve for x
    x = 8,504,876.86/2,651.47
  6. Step 6: Final answer
    x = 3,207.61

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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.