Home / 1,933.56-2,881.71-1,917.45

Finding the Fourth Proportional to 1,933.56, 2,881.71 and 1,917.45

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Solution

The fourth proportional to 1,933.56, 2,881.71 and 1,917.45 is: 2,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.56 : 2,881.71 = 1,917.45 : x
  2. Step 2: Convert to fraction form
    1,933.56/2,881.71 = 1,917.45/x
  3. Step 3: Cross multiply
    1,933.56x = 2,881.71 × 1,917.45
  4. Step 4: Simplify right side
    1,933.56x = 5,525,534.84
  5. Step 5: Solve for x
    x = 5,525,534.84/1,933.56
  6. Step 6: Final answer
    x = 2,857.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.