Home / 1,833.36-2,529.81-1,170.60

Finding the Fourth Proportional to 1,833.36, 2,529.81 and 1,170.60

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Solution

The fourth proportional to 1,833.36, 2,529.81 and 1,170.60 is: 1,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.36 : 2,529.81 = 1,170.60 : x
  2. Step 2: Convert to fraction form
    1,833.36/2,529.81 = 1,170.60/x
  3. Step 3: Cross multiply
    1,833.36x = 2,529.81 × 1,170.60
  4. Step 4: Simplify right side
    1,833.36x = 2,961,395.59
  5. Step 5: Solve for x
    x = 2,961,395.59/1,833.36
  6. Step 6: Final answer
    x = 1,615.28

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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.