Home / 2,160.33-3,214.62-2,153.04

Finding the Fourth Proportional to 2,160.33, 3,214.62 and 2,153.04

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Solution

The fourth proportional to 2,160.33, 3,214.62 and 2,153.04 is: 3,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.33 : 3,214.62 = 2,153.04 : x
  2. Step 2: Convert to fraction form
    2,160.33/3,214.62 = 2,153.04/x
  3. Step 3: Cross multiply
    2,160.33x = 3,214.62 × 2,153.04
  4. Step 4: Simplify right side
    2,160.33x = 6,921,205.44
  5. Step 5: Solve for x
    x = 6,921,205.44/2,160.33
  6. Step 6: Final answer
    x = 3,203.77

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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.