Home / 2,799.81-4,198.08-950.31

Finding the Fourth Proportional to 2,799.81, 4,198.08 and 950.31

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Solution

The fourth proportional to 2,799.81, 4,198.08 and 950.31 is: 1,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.81 : 4,198.08 = 950.31 : x
  2. Step 2: Convert to fraction form
    2,799.81/4,198.08 = 950.31/x
  3. Step 3: Cross multiply
    2,799.81x = 4,198.08 × 950.31
  4. Step 4: Simplify right side
    2,799.81x = 3,989,477.40
  5. Step 5: Solve for x
    x = 3,989,477.40/2,799.81
  6. Step 6: Final answer
    x = 1,424.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.