Home / 5,655.31-8,479.85-4,492.75

Finding the Fourth Proportional to 5,655.31, 8,479.85 and 4,492.75

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Solution

The fourth proportional to 5,655.31, 8,479.85 and 4,492.75 is: 6,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.31 : 8,479.85 = 4,492.75 : x
  2. Step 2: Convert to fraction form
    5,655.31/8,479.85 = 4,492.75/x
  3. Step 3: Cross multiply
    5,655.31x = 8,479.85 × 4,492.75
  4. Step 4: Simplify right side
    5,655.31x = 38,097,846.09
  5. Step 5: Solve for x
    x = 38,097,846.09/5,655.31
  6. Step 6: Final answer
    x = 6,736.65

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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.