Home / 1,905.54-2,859.93-1,359.06

Finding the Fourth Proportional to 1,905.54, 2,859.93 and 1,359.06

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Solution

The fourth proportional to 1,905.54, 2,859.93 and 1,359.06 is: 2,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.54 : 2,859.93 = 1,359.06 : x
  2. Step 2: Convert to fraction form
    1,905.54/2,859.93 = 1,359.06/x
  3. Step 3: Cross multiply
    1,905.54x = 2,859.93 × 1,359.06
  4. Step 4: Simplify right side
    1,905.54x = 3,886,816.47
  5. Step 5: Solve for x
    x = 3,886,816.47/1,905.54
  6. Step 6: Final answer
    x = 2,039.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.