Home / 1,860.30-2,796.93-1,641.60

Finding the Fourth Proportional to 1,860.30, 2,796.93 and 1,641.60

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Solution

The fourth proportional to 1,860.30, 2,796.93 and 1,641.60 is: 2,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.30 : 2,796.93 = 1,641.60 : x
  2. Step 2: Convert to fraction form
    1,860.30/2,796.93 = 1,641.60/x
  3. Step 3: Cross multiply
    1,860.30x = 2,796.93 × 1,641.60
  4. Step 4: Simplify right side
    1,860.30x = 4,591,440.29
  5. Step 5: Solve for x
    x = 4,591,440.29/1,860.30
  6. Step 6: Final answer
    x = 2,468.12

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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.