Home / 1,777.17-2,664.38-1,191.24

Finding the Fourth Proportional to 1,777.17, 2,664.38 and 1,191.24

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Solution

The fourth proportional to 1,777.17, 2,664.38 and 1,191.24 is: 1,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.17 : 2,664.38 = 1,191.24 : x
  2. Step 2: Convert to fraction form
    1,777.17/2,664.38 = 1,191.24/x
  3. Step 3: Cross multiply
    1,777.17x = 2,664.38 × 1,191.24
  4. Step 4: Simplify right side
    1,777.17x = 3,173,905.69
  5. Step 5: Solve for x
    x = 3,173,905.69/1,777.17
  6. Step 6: Final answer
    x = 1,785.93

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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.