Home / 2,518.90-3,476.27-1,399.93

Finding the Fourth Proportional to 2,518.90, 3,476.27 and 1,399.93

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Solution

The fourth proportional to 2,518.90, 3,476.27 and 1,399.93 is: 1,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.90 : 3,476.27 = 1,399.93 : x
  2. Step 2: Convert to fraction form
    2,518.90/3,476.27 = 1,399.93/x
  3. Step 3: Cross multiply
    2,518.90x = 3,476.27 × 1,399.93
  4. Step 4: Simplify right side
    2,518.90x = 4,866,529.47
  5. Step 5: Solve for x
    x = 4,866,529.47/2,518.90
  6. Step 6: Final answer
    x = 1,932.01

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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.