Home / 2,226.15-3,071.65-1,342.01

Finding the Fourth Proportional to 2,226.15, 3,071.65 and 1,342.01

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Solution

The fourth proportional to 2,226.15, 3,071.65 and 1,342.01 is: 1,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.15 : 3,071.65 = 1,342.01 : x
  2. Step 2: Convert to fraction form
    2,226.15/3,071.65 = 1,342.01/x
  3. Step 3: Cross multiply
    2,226.15x = 3,071.65 × 1,342.01
  4. Step 4: Simplify right side
    2,226.15x = 4,122,178.31
  5. Step 5: Solve for x
    x = 4,122,178.31/2,226.15
  6. Step 6: Final answer
    x = 1,851.71

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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.