Home / 1,792.58-2,473.98-1,129.46

Finding the Fourth Proportional to 1,792.58, 2,473.98 and 1,129.46

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Solution

The fourth proportional to 1,792.58, 2,473.98 and 1,129.46 is: 1,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.58 : 2,473.98 = 1,129.46 : x
  2. Step 2: Convert to fraction form
    1,792.58/2,473.98 = 1,129.46/x
  3. Step 3: Cross multiply
    1,792.58x = 2,473.98 × 1,129.46
  4. Step 4: Simplify right side
    1,792.58x = 2,794,261.45
  5. Step 5: Solve for x
    x = 2,794,261.45/1,792.58
  6. Step 6: Final answer
    x = 1,558.79

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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.