Home / 2,199.33-3,036.11-1,668.30

Finding the Fourth Proportional to 2,199.33, 3,036.11 and 1,668.30

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Solution

The fourth proportional to 2,199.33, 3,036.11 and 1,668.30 is: 2,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.33 : 3,036.11 = 1,668.30 : x
  2. Step 2: Convert to fraction form
    2,199.33/3,036.11 = 1,668.30/x
  3. Step 3: Cross multiply
    2,199.33x = 3,036.11 × 1,668.30
  4. Step 4: Simplify right side
    2,199.33x = 5,065,133.97
  5. Step 5: Solve for x
    x = 5,065,133.97/2,199.33
  6. Step 6: Final answer
    x = 2,303.04

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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.