Home / 3,501.78-4,832.16-2,175.23

Finding the Fourth Proportional to 3,501.78, 4,832.16 and 2,175.23

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Solution

The fourth proportional to 3,501.78, 4,832.16 and 2,175.23 is: 3,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.78 : 4,832.16 = 2,175.23 : x
  2. Step 2: Convert to fraction form
    3,501.78/4,832.16 = 2,175.23/x
  3. Step 3: Cross multiply
    3,501.78x = 4,832.16 × 2,175.23
  4. Step 4: Simplify right side
    3,501.78x = 10,511,059.40
  5. Step 5: Solve for x
    x = 10,511,059.40/3,501.78
  6. Step 6: Final answer
    x = 3,001.63

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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.