Home / 5,765.75-8,642.48-2,479.10

Finding the Fourth Proportional to 5,765.75, 8,642.48 and 2,479.10

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Solution

The fourth proportional to 5,765.75, 8,642.48 and 2,479.10 is: 3,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.75 : 8,642.48 = 2,479.10 : x
  2. Step 2: Convert to fraction form
    5,765.75/8,642.48 = 2,479.10/x
  3. Step 3: Cross multiply
    5,765.75x = 8,642.48 × 2,479.10
  4. Step 4: Simplify right side
    5,765.75x = 21,425,559.77
  5. Step 5: Solve for x
    x = 21,425,559.77/5,765.75
  6. Step 6: Final answer
    x = 3,716.01

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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.