Home / 4,729.74-7,084.89-3,688.62

Finding the Fourth Proportional to 4,729.74, 7,084.89 and 3,688.62

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Solution

The fourth proportional to 4,729.74, 7,084.89 and 3,688.62 is: 5,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.74 : 7,084.89 = 3,688.62 : x
  2. Step 2: Convert to fraction form
    4,729.74/7,084.89 = 3,688.62/x
  3. Step 3: Cross multiply
    4,729.74x = 7,084.89 × 3,688.62
  4. Step 4: Simplify right side
    4,729.74x = 26,133,466.95
  5. Step 5: Solve for x
    x = 26,133,466.95/4,729.74
  6. Step 6: Final answer
    x = 5,525.35

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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.