Home / 2,186.23-3,017.03-1,191.53

Finding the Fourth Proportional to 2,186.23, 3,017.03 and 1,191.53

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Solution

The fourth proportional to 2,186.23, 3,017.03 and 1,191.53 is: 1,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.23 : 3,017.03 = 1,191.53 : x
  2. Step 2: Convert to fraction form
    2,186.23/3,017.03 = 1,191.53/x
  3. Step 3: Cross multiply
    2,186.23x = 3,017.03 × 1,191.53
  4. Step 4: Simplify right side
    2,186.23x = 3,594,869.65
  5. Step 5: Solve for x
    x = 3,594,869.65/2,186.23
  6. Step 6: Final answer
    x = 1,644.33

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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.