Home / 2,176.39-3,001.62-1,651.51

Finding the Fourth Proportional to 2,176.39, 3,001.62 and 1,651.51

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Solution

The fourth proportional to 2,176.39, 3,001.62 and 1,651.51 is: 2,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.39 : 3,001.62 = 1,651.51 : x
  2. Step 2: Convert to fraction form
    2,176.39/3,001.62 = 1,651.51/x
  3. Step 3: Cross multiply
    2,176.39x = 3,001.62 × 1,651.51
  4. Step 4: Simplify right side
    2,176.39x = 4,957,205.45
  5. Step 5: Solve for x
    x = 4,957,205.45/2,176.39
  6. Step 6: Final answer
    x = 2,277.72

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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.