Home / 5,674.03-7,830.09-3,155.95

Finding the Fourth Proportional to 5,674.03, 7,830.09 and 3,155.95

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Solution

The fourth proportional to 5,674.03, 7,830.09 and 3,155.95 is: 4,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.03 : 7,830.09 = 3,155.95 : x
  2. Step 2: Convert to fraction form
    5,674.03/7,830.09 = 3,155.95/x
  3. Step 3: Cross multiply
    5,674.03x = 7,830.09 × 3,155.95
  4. Step 4: Simplify right side
    5,674.03x = 24,711,372.54
  5. Step 5: Solve for x
    x = 24,711,372.54/5,674.03
  6. Step 6: Final answer
    x = 4,355.17

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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.