Home / 2,409.93-3,317.96-2,099.30

Finding the Fourth Proportional to 2,409.93, 3,317.96 and 2,099.30

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Solution

The fourth proportional to 2,409.93, 3,317.96 and 2,099.30 is: 2,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.93 : 3,317.96 = 2,099.30 : x
  2. Step 2: Convert to fraction form
    2,409.93/3,317.96 = 2,099.30/x
  3. Step 3: Cross multiply
    2,409.93x = 3,317.96 × 2,099.30
  4. Step 4: Simplify right side
    2,409.93x = 6,965,366.34
  5. Step 5: Solve for x
    x = 6,965,366.34/2,409.93
  6. Step 6: Final answer
    x = 2,890.28

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Why These Related Problems?

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