Home / 6,102.06-8,420.85-3,307.56

Finding the Fourth Proportional to 6,102.06, 8,420.85 and 3,307.56

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Solution

The fourth proportional to 6,102.06, 8,420.85 and 3,307.56 is: 4,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.06 : 8,420.85 = 3,307.56 : x
  2. Step 2: Convert to fraction form
    6,102.06/8,420.85 = 3,307.56/x
  3. Step 3: Cross multiply
    6,102.06x = 8,420.85 × 3,307.56
  4. Step 4: Simplify right side
    6,102.06x = 27,852,466.63
  5. Step 5: Solve for x
    x = 27,852,466.63/6,102.06
  6. Step 6: Final answer
    x = 4,564.44

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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.