Home / 6,223.23-8,588.38-3,390.91

Finding the Fourth Proportional to 6,223.23, 8,588.38 and 3,390.91

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Solution

The fourth proportional to 6,223.23, 8,588.38 and 3,390.91 is: 4,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.23 : 8,588.38 = 3,390.91 : x
  2. Step 2: Convert to fraction form
    6,223.23/8,588.38 = 3,390.91/x
  3. Step 3: Cross multiply
    6,223.23x = 8,588.38 × 3,390.91
  4. Step 4: Simplify right side
    6,223.23x = 29,122,448.35
  5. Step 5: Solve for x
    x = 29,122,448.35/6,223.23
  6. Step 6: Final answer
    x = 4,679.64

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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.