Home / 2,176.14-3,003.07-1,181.42

Finding the Fourth Proportional to 2,176.14, 3,003.07 and 1,181.42

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Solution

The fourth proportional to 2,176.14, 3,003.07 and 1,181.42 is: 1,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.14 : 3,003.07 = 1,181.42 : x
  2. Step 2: Convert to fraction form
    2,176.14/3,003.07 = 1,181.42/x
  3. Step 3: Cross multiply
    2,176.14x = 3,003.07 × 1,181.42
  4. Step 4: Simplify right side
    2,176.14x = 3,547,881.27
  5. Step 5: Solve for x
    x = 3,547,881.27/2,176.14
  6. Step 6: Final answer
    x = 1,630.36

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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.