Home / 3,841.05-5,299.59-2,162.36

Finding the Fourth Proportional to 3,841.05, 5,299.59 and 2,162.36

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Solution

The fourth proportional to 3,841.05, 5,299.59 and 2,162.36 is: 2,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.05 : 5,299.59 = 2,162.36 : x
  2. Step 2: Convert to fraction form
    3,841.05/5,299.59 = 2,162.36/x
  3. Step 3: Cross multiply
    3,841.05x = 5,299.59 × 2,162.36
  4. Step 4: Simplify right side
    3,841.05x = 11,459,642.79
  5. Step 5: Solve for x
    x = 11,459,642.79/3,841.05
  6. Step 6: Final answer
    x = 2,983.46

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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.