Home / 5,405.13-8,107.69-1,301.13

Finding the Fourth Proportional to 5,405.13, 8,107.69 and 1,301.13

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Solution

The fourth proportional to 5,405.13, 8,107.69 and 1,301.13 is: 1,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.13 : 8,107.69 = 1,301.13 : x
  2. Step 2: Convert to fraction form
    5,405.13/8,107.69 = 1,301.13/x
  3. Step 3: Cross multiply
    5,405.13x = 8,107.69 × 1,301.13
  4. Step 4: Simplify right side
    5,405.13x = 10,549,158.69
  5. Step 5: Solve for x
    x = 10,549,158.69/5,405.13
  6. Step 6: Final answer
    x = 1,951.69

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