Home / 6,223.81-8,588.81-3,391.17

Finding the Fourth Proportional to 6,223.81, 8,588.81 and 3,391.17

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Solution

The fourth proportional to 6,223.81, 8,588.81 and 3,391.17 is: 4,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.81 : 8,588.81 = 3,391.17 : x
  2. Step 2: Convert to fraction form
    6,223.81/8,588.81 = 3,391.17/x
  3. Step 3: Cross multiply
    6,223.81x = 8,588.81 × 3,391.17
  4. Step 4: Simplify right side
    6,223.81x = 29,126,120.31
  5. Step 5: Solve for x
    x = 29,126,120.31/6,223.81
  6. Step 6: Final answer
    x = 4,679.79

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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.