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Finding the Fourth Proportional to 6,101.98, 8,420.77 and 3,307.48

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Solution

The fourth proportional to 6,101.98, 8,420.77 and 3,307.48 is: 4,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.98 : 8,420.77 = 3,307.48 : x
  2. Step 2: Convert to fraction form
    6,101.98/8,420.77 = 3,307.48/x
  3. Step 3: Cross multiply
    6,101.98x = 8,420.77 × 3,307.48
  4. Step 4: Simplify right side
    6,101.98x = 27,851,486.26
  5. Step 5: Solve for x
    x = 27,851,486.26/6,101.98
  6. Step 6: Final answer
    x = 4,564.34

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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.