Home / 2,126.64-2,934.74-1,195.14

Finding the Fourth Proportional to 2,126.64, 2,934.74 and 1,195.14

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Solution

The fourth proportional to 2,126.64, 2,934.74 and 1,195.14 is: 1,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.64 : 2,934.74 = 1,195.14 : x
  2. Step 2: Convert to fraction form
    2,126.64/2,934.74 = 1,195.14/x
  3. Step 3: Cross multiply
    2,126.64x = 2,934.74 × 1,195.14
  4. Step 4: Simplify right side
    2,126.64x = 3,507,419.19
  5. Step 5: Solve for x
    x = 3,507,419.19/2,126.64
  6. Step 6: Final answer
    x = 1,649.28

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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.