Home / 5,071.60-7,000.07-3,083.49

Finding the Fourth Proportional to 5,071.60, 7,000.07 and 3,083.49

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Solution

The fourth proportional to 5,071.60, 7,000.07 and 3,083.49 is: 4,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.60 : 7,000.07 = 3,083.49 : x
  2. Step 2: Convert to fraction form
    5,071.60/7,000.07 = 3,083.49/x
  3. Step 3: Cross multiply
    5,071.60x = 7,000.07 × 3,083.49
  4. Step 4: Simplify right side
    5,071.60x = 21,584,645.84
  5. Step 5: Solve for x
    x = 21,584,645.84/5,071.60
  6. Step 6: Final answer
    x = 4,255.98

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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.