Home / 2,126.64-3,194.80-1,835.04

Finding the Fourth Proportional to 2,126.64, 3,194.80 and 1,835.04

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Solution

The fourth proportional to 2,126.64, 3,194.80 and 1,835.04 is: 2,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.64 : 3,194.80 = 1,835.04 : x
  2. Step 2: Convert to fraction form
    2,126.64/3,194.80 = 1,835.04/x
  3. Step 3: Cross multiply
    2,126.64x = 3,194.80 × 1,835.04
  4. Step 4: Simplify right side
    2,126.64x = 5,862,585.79
  5. Step 5: Solve for x
    x = 5,862,585.79/2,126.64
  6. Step 6: Final answer
    x = 2,756.74

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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.