Home / 1,904.05-2,627.90-1,107.24

Finding the Fourth Proportional to 1,904.05, 2,627.90 and 1,107.24

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Solution

The fourth proportional to 1,904.05, 2,627.90 and 1,107.24 is: 1,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.05 : 2,627.90 = 1,107.24 : x
  2. Step 2: Convert to fraction form
    1,904.05/2,627.90 = 1,107.24/x
  3. Step 3: Cross multiply
    1,904.05x = 2,627.90 × 1,107.24
  4. Step 4: Simplify right side
    1,904.05x = 2,909,716.00
  5. Step 5: Solve for x
    x = 2,909,716.00/1,904.05
  6. Step 6: Final answer
    x = 1,528.17

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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.