Home / 5,300.30-7,309.64-3,311.06

Finding the Fourth Proportional to 5,300.30, 7,309.64 and 3,311.06

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Solution

The fourth proportional to 5,300.30, 7,309.64 and 3,311.06 is: 4,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.30 : 7,309.64 = 3,311.06 : x
  2. Step 2: Convert to fraction form
    5,300.30/7,309.64 = 3,311.06/x
  3. Step 3: Cross multiply
    5,300.30x = 7,309.64 × 3,311.06
  4. Step 4: Simplify right side
    5,300.30x = 24,202,628.35
  5. Step 5: Solve for x
    x = 24,202,628.35/5,300.30
  6. Step 6: Final answer
    x = 4,566.27

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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.