Home / 4,102.22-5,667.24-2,689.26

Finding the Fourth Proportional to 4,102.22, 5,667.24 and 2,689.26

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Solution

The fourth proportional to 4,102.22, 5,667.24 and 2,689.26 is: 3,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.22 : 5,667.24 = 2,689.26 : x
  2. Step 2: Convert to fraction form
    4,102.22/5,667.24 = 2,689.26/x
  3. Step 3: Cross multiply
    4,102.22x = 5,667.24 × 2,689.26
  4. Step 4: Simplify right side
    4,102.22x = 15,240,681.84
  5. Step 5: Solve for x
    x = 15,240,681.84/4,102.22
  6. Step 6: Final answer
    x = 3,715.23

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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.