Home / 5,107.46-7,048.32-2,984.50

Finding the Fourth Proportional to 5,107.46, 7,048.32 and 2,984.50

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Solution

The fourth proportional to 5,107.46, 7,048.32 and 2,984.50 is: 4,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.46 : 7,048.32 = 2,984.50 : x
  2. Step 2: Convert to fraction form
    5,107.46/7,048.32 = 2,984.50/x
  3. Step 3: Cross multiply
    5,107.46x = 7,048.32 × 2,984.50
  4. Step 4: Simplify right side
    5,107.46x = 21,035,675.80
  5. Step 5: Solve for x
    x = 21,035,675.80/5,107.46
  6. Step 6: Final answer
    x = 4,118.62

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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.