Home / 1,764.16-2,433.64-1,173.92

Finding the Fourth Proportional to 1,764.16, 2,433.64 and 1,173.92

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Solution

The fourth proportional to 1,764.16, 2,433.64 and 1,173.92 is: 1,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.16 : 2,433.64 = 1,173.92 : x
  2. Step 2: Convert to fraction form
    1,764.16/2,433.64 = 1,173.92/x
  3. Step 3: Cross multiply
    1,764.16x = 2,433.64 × 1,173.92
  4. Step 4: Simplify right side
    1,764.16x = 2,856,898.67
  5. Step 5: Solve for x
    x = 2,856,898.67/1,764.16
  6. Step 6: Final answer
    x = 1,619.41

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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.