Home / 2,319.22-3,477.41-1,087.01

Finding the Fourth Proportional to 2,319.22, 3,477.41 and 1,087.01

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Solution

The fourth proportional to 2,319.22, 3,477.41 and 1,087.01 is: 1,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.22 : 3,477.41 = 1,087.01 : x
  2. Step 2: Convert to fraction form
    2,319.22/3,477.41 = 1,087.01/x
  3. Step 3: Cross multiply
    2,319.22x = 3,477.41 × 1,087.01
  4. Step 4: Simplify right side
    2,319.22x = 3,779,979.44
  5. Step 5: Solve for x
    x = 3,779,979.44/2,319.22
  6. Step 6: Final answer
    x = 1,629.85

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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.