Home / 6,102.55-8,421.18-3,450.34

Finding the Fourth Proportional to 6,102.55, 8,421.18 and 3,450.34

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Solution

The fourth proportional to 6,102.55, 8,421.18 and 3,450.34 is: 4,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.55 : 8,421.18 = 3,450.34 : x
  2. Step 2: Convert to fraction form
    6,102.55/8,421.18 = 3,450.34/x
  3. Step 3: Cross multiply
    6,102.55x = 8,421.18 × 3,450.34
  4. Step 4: Simplify right side
    6,102.55x = 29,055,934.20
  5. Step 5: Solve for x
    x = 29,055,934.20/6,102.55
  6. Step 6: Final answer
    x = 4,761.28

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Double scale
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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.