Home / 2,175.74-3,237.43-2,168.45

Finding the Fourth Proportional to 2,175.74, 3,237.43 and 2,168.45

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Solution

The fourth proportional to 2,175.74, 3,237.43 and 2,168.45 is: 3,226.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.74 : 3,237.43 = 2,168.45 : x
  2. Step 2: Convert to fraction form
    2,175.74/3,237.43 = 2,168.45/x
  3. Step 3: Cross multiply
    2,175.74x = 3,237.43 × 2,168.45
  4. Step 4: Simplify right side
    2,175.74x = 7,020,205.08
  5. Step 5: Solve for x
    x = 7,020,205.08/2,175.74
  6. Step 6: Final answer
    x = 3,226.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.