Home / 4,178.31-5,766.07-2,290.01

Finding the Fourth Proportional to 4,178.31, 5,766.07 and 2,290.01

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Solution

The fourth proportional to 4,178.31, 5,766.07 and 2,290.01 is: 3,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.31 : 5,766.07 = 2,290.01 : x
  2. Step 2: Convert to fraction form
    4,178.31/5,766.07 = 2,290.01/x
  3. Step 3: Cross multiply
    4,178.31x = 5,766.07 × 2,290.01
  4. Step 4: Simplify right side
    4,178.31x = 13,204,357.96
  5. Step 5: Solve for x
    x = 13,204,357.96/4,178.31
  6. Step 6: Final answer
    x = 3,160.22

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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.