Home / 1,414.72-2,118.96-1,106.08

Finding the Fourth Proportional to 1,414.72, 2,118.96 and 1,106.08

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Solution

The fourth proportional to 1,414.72, 2,118.96 and 1,106.08 is: 1,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.72 : 2,118.96 = 1,106.08 : x
  2. Step 2: Convert to fraction form
    1,414.72/2,118.96 = 1,106.08/x
  3. Step 3: Cross multiply
    1,414.72x = 2,118.96 × 1,106.08
  4. Step 4: Simplify right side
    1,414.72x = 2,343,739.28
  5. Step 5: Solve for x
    x = 2,343,739.28/1,414.72
  6. Step 6: Final answer
    x = 1,656.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.