Home / 6,101.82-8,420.51-3,307.32

Finding the Fourth Proportional to 6,101.82, 8,420.51 and 3,307.32

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Solution

The fourth proportional to 6,101.82, 8,420.51 and 3,307.32 is: 4,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.82 : 8,420.51 = 3,307.32 : x
  2. Step 2: Convert to fraction form
    6,101.82/8,420.51 = 3,307.32/x
  3. Step 3: Cross multiply
    6,101.82x = 8,420.51 × 3,307.32
  4. Step 4: Simplify right side
    6,101.82x = 27,849,304.60
  5. Step 5: Solve for x
    x = 27,849,304.60/6,101.82
  6. Step 6: Final answer
    x = 4,564.10

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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.