Home / 2,111.00-2,913.14-1,166.76

Finding the Fourth Proportional to 2,111.00, 2,913.14 and 1,166.76

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Solution

The fourth proportional to 2,111.00, 2,913.14 and 1,166.76 is: 1,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111.00 : 2,913.14 = 1,166.76 : x
  2. Step 2: Convert to fraction form
    2,111.00/2,913.14 = 1,166.76/x
  3. Step 3: Cross multiply
    2,111.00x = 2,913.14 × 1,166.76
  4. Step 4: Simplify right side
    2,111.00x = 3,398,929.39
  5. Step 5: Solve for x
    x = 3,398,929.39/2,111.00
  6. Step 6: Final answer
    x = 1,610.11

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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.