Home / 7,479.46-10,321.67-4,497

Finding the Fourth Proportional to 7,479.46, 10,321.67 and 4,497

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Solution

The fourth proportional to 7,479.46, 10,321.67 and 4,497 is: 6,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.46 : 10,321.67 = 4,497 : x
  2. Step 2: Convert to fraction form
    7,479.46/10,321.67 = 4,497/x
  3. Step 3: Cross multiply
    7,479.46x = 10,321.67 × 4,497
  4. Step 4: Simplify right side
    7,479.46x = 46,416,561.23
  5. Step 5: Solve for x
    x = 46,416,561.23/7,479.46
  6. Step 6: Final answer
    x = 6,205.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.