Home / 2,453.24-3,385.56-1,405.51

Finding the Fourth Proportional to 2,453.24, 3,385.56 and 1,405.51

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Solution

The fourth proportional to 2,453.24, 3,385.56 and 1,405.51 is: 1,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.24 : 3,385.56 = 1,405.51 : x
  2. Step 2: Convert to fraction form
    2,453.24/3,385.56 = 1,405.51/x
  3. Step 3: Cross multiply
    2,453.24x = 3,385.56 × 1,405.51
  4. Step 4: Simplify right side
    2,453.24x = 4,758,435.24
  5. Step 5: Solve for x
    x = 4,758,435.24/2,453.24
  6. Step 6: Final answer
    x = 1,939.65

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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.