Home / 2,630.15-3,629.60-1,511.17

Finding the Fourth Proportional to 2,630.15, 3,629.60 and 1,511.17

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Solution

The fourth proportional to 2,630.15, 3,629.60 and 1,511.17 is: 2,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.15 : 3,629.60 = 1,511.17 : x
  2. Step 2: Convert to fraction form
    2,630.15/3,629.60 = 1,511.17/x
  3. Step 3: Cross multiply
    2,630.15x = 3,629.60 × 1,511.17
  4. Step 4: Simplify right side
    2,630.15x = 5,484,929.78
  5. Step 5: Solve for x
    x = 5,484,929.78/2,630.15
  6. Step 6: Final answer
    x = 2,085.41

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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.