Home / 3,567-4,923-2,170.56

Finding the Fourth Proportional to 3,567, 4,923 and 2,170.56

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Solution

The fourth proportional to 3,567, 4,923 and 2,170.56 is: 2,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567 : 4,923 = 2,170.56 : x
  2. Step 2: Convert to fraction form
    3,567/4,923 = 2,170.56/x
  3. Step 3: Cross multiply
    3,567x = 4,923 × 2,170.56
  4. Step 4: Simplify right side
    3,567x = 10,685,666.88
  5. Step 5: Solve for x
    x = 10,685,666.88/3,567
  6. Step 6: Final answer
    x = 2,995.70

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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.