Home / 2,176.07-3,002.92-1,181.33

Finding the Fourth Proportional to 2,176.07, 3,002.92 and 1,181.33

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Solution

The fourth proportional to 2,176.07, 3,002.92 and 1,181.33 is: 1,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.07 : 3,002.92 = 1,181.33 : x
  2. Step 2: Convert to fraction form
    2,176.07/3,002.92 = 1,181.33/x
  3. Step 3: Cross multiply
    2,176.07x = 3,002.92 × 1,181.33
  4. Step 4: Simplify right side
    2,176.07x = 3,547,456.31
  5. Step 5: Solve for x
    x = 3,547,456.31/2,176.07
  6. Step 6: Final answer
    x = 1,630.22

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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.