Home / 5,722.20-7,896.72-3,484.18

Finding the Fourth Proportional to 5,722.20, 7,896.72 and 3,484.18

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Solution

The fourth proportional to 5,722.20, 7,896.72 and 3,484.18 is: 4,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.20 : 7,896.72 = 3,484.18 : x
  2. Step 2: Convert to fraction form
    5,722.20/7,896.72 = 3,484.18/x
  3. Step 3: Cross multiply
    5,722.20x = 7,896.72 × 3,484.18
  4. Step 4: Simplify right side
    5,722.20x = 27,513,593.89
  5. Step 5: Solve for x
    x = 27,513,593.89/5,722.20
  6. Step 6: Final answer
    x = 4,808.22

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1.5x scale

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.