Home / 2,186.34-3,032.61-2,107.53

Finding the Fourth Proportional to 2,186.34, 3,032.61 and 2,107.53

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Solution

The fourth proportional to 2,186.34, 3,032.61 and 2,107.53 is: 2,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.34 : 3,032.61 = 2,107.53 : x
  2. Step 2: Convert to fraction form
    2,186.34/3,032.61 = 2,107.53/x
  3. Step 3: Cross multiply
    2,186.34x = 3,032.61 × 2,107.53
  4. Step 4: Simplify right side
    2,186.34x = 6,391,316.55
  5. Step 5: Solve for x
    x = 6,391,316.55/2,186.34
  6. Step 6: Final answer
    x = 2,923.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.