Home / 4,705.20-7,048.04-2,109.96

Finding the Fourth Proportional to 4,705.20, 7,048.04 and 2,109.96

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Solution

The fourth proportional to 4,705.20, 7,048.04 and 2,109.96 is: 3,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.20 : 7,048.04 = 2,109.96 : x
  2. Step 2: Convert to fraction form
    4,705.20/7,048.04 = 2,109.96/x
  3. Step 3: Cross multiply
    4,705.20x = 7,048.04 × 2,109.96
  4. Step 4: Simplify right side
    4,705.20x = 14,871,082.48
  5. Step 5: Solve for x
    x = 14,871,082.48/4,705.20
  6. Step 6: Final answer
    x = 3,160.56

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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.