Home / 2,501.55-3,451.86-1,382.21

Finding the Fourth Proportional to 2,501.55, 3,451.86 and 1,382.21

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Solution

The fourth proportional to 2,501.55, 3,451.86 and 1,382.21 is: 1,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.55 : 3,451.86 = 1,382.21 : x
  2. Step 2: Convert to fraction form
    2,501.55/3,451.86 = 1,382.21/x
  3. Step 3: Cross multiply
    2,501.55x = 3,451.86 × 1,382.21
  4. Step 4: Simplify right side
    2,501.55x = 4,771,177.50
  5. Step 5: Solve for x
    x = 4,771,177.50/2,501.55
  6. Step 6: Final answer
    x = 1,907.29

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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.