Home / 3,402.21-4,696.35-3,308.58

Finding the Fourth Proportional to 3,402.21, 4,696.35 and 3,308.58

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Solution

The fourth proportional to 3,402.21, 4,696.35 and 3,308.58 is: 4,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.21 : 4,696.35 = 3,308.58 : x
  2. Step 2: Convert to fraction form
    3,402.21/4,696.35 = 3,308.58/x
  3. Step 3: Cross multiply
    3,402.21x = 4,696.35 × 3,308.58
  4. Step 4: Simplify right side
    3,402.21x = 15,538,249.68
  5. Step 5: Solve for x
    x = 15,538,249.68/3,402.21
  6. Step 6: Final answer
    x = 4,567.10

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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.