Home / 2,975.22-4,106.22-2,266.07

Finding the Fourth Proportional to 2,975.22, 4,106.22 and 2,266.07

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Solution

The fourth proportional to 2,975.22, 4,106.22 and 2,266.07 is: 3,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.22 : 4,106.22 = 2,266.07 : x
  2. Step 2: Convert to fraction form
    2,975.22/4,106.22 = 2,266.07/x
  3. Step 3: Cross multiply
    2,975.22x = 4,106.22 × 2,266.07
  4. Step 4: Simplify right side
    2,975.22x = 9,304,961.42
  5. Step 5: Solve for x
    x = 9,304,961.42/2,975.22
  6. Step 6: Final answer
    x = 3,127.49

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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.