Home / 5,842.08-8,762.40-2,379.36

Finding the Fourth Proportional to 5,842.08, 8,762.40 and 2,379.36

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Solution

The fourth proportional to 5,842.08, 8,762.40 and 2,379.36 is: 3,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.08 : 8,762.40 = 2,379.36 : x
  2. Step 2: Convert to fraction form
    5,842.08/8,762.40 = 2,379.36/x
  3. Step 3: Cross multiply
    5,842.08x = 8,762.40 × 2,379.36
  4. Step 4: Simplify right side
    5,842.08x = 20,848,904.06
  5. Step 5: Solve for x
    x = 20,848,904.06/5,842.08
  6. Step 6: Final answer
    x = 3,568.75

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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.