Home / 2,678.27-3,695.98-1,499.35

Finding the Fourth Proportional to 2,678.27, 3,695.98 and 1,499.35

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Solution

The fourth proportional to 2,678.27, 3,695.98 and 1,499.35 is: 2,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.27 : 3,695.98 = 1,499.35 : x
  2. Step 2: Convert to fraction form
    2,678.27/3,695.98 = 1,499.35/x
  3. Step 3: Cross multiply
    2,678.27x = 3,695.98 × 1,499.35
  4. Step 4: Simplify right side
    2,678.27x = 5,541,554.62
  5. Step 5: Solve for x
    x = 5,541,554.62/2,678.27
  6. Step 6: Final answer
    x = 2,069.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.