Home / 1,779.73-2,669.60-1,167.32

Finding the Fourth Proportional to 1,779.73, 2,669.60 and 1,167.32

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Solution

The fourth proportional to 1,779.73, 2,669.60 and 1,167.32 is: 1,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.73 : 2,669.60 = 1,167.32 : x
  2. Step 2: Convert to fraction form
    1,779.73/2,669.60 = 1,167.32/x
  3. Step 3: Cross multiply
    1,779.73x = 2,669.60 × 1,167.32
  4. Step 4: Simplify right side
    1,779.73x = 3,116,287.06
  5. Step 5: Solve for x
    x = 3,116,287.06/1,779.73
  6. Step 6: Final answer
    x = 1,750.99

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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.