Home / 5,072.39-7,611.10-3,425.32

Finding the Fourth Proportional to 5,072.39, 7,611.10 and 3,425.32

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Solution

The fourth proportional to 5,072.39, 7,611.10 and 3,425.32 is: 5,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.39 : 7,611.10 = 3,425.32 : x
  2. Step 2: Convert to fraction form
    5,072.39/7,611.10 = 3,425.32/x
  3. Step 3: Cross multiply
    5,072.39x = 7,611.10 × 3,425.32
  4. Step 4: Simplify right side
    5,072.39x = 26,070,454.00
  5. Step 5: Solve for x
    x = 26,070,454.00/5,072.39
  6. Step 6: Final answer
    x = 5,139.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.