Home / 2,411.07-3,617.21-1,424.70

Finding the Fourth Proportional to 2,411.07, 3,617.21 and 1,424.70

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Solution

The fourth proportional to 2,411.07, 3,617.21 and 1,424.70 is: 2,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.07 : 3,617.21 = 1,424.70 : x
  2. Step 2: Convert to fraction form
    2,411.07/3,617.21 = 1,424.70/x
  3. Step 3: Cross multiply
    2,411.07x = 3,617.21 × 1,424.70
  4. Step 4: Simplify right side
    2,411.07x = 5,153,439.09
  5. Step 5: Solve for x
    x = 5,153,439.09/2,411.07
  6. Step 6: Final answer
    x = 2,137.41

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Why These Related Problems?

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