Home / 5,971.07-8,212.68-4,789.55

Finding the Fourth Proportional to 5,971.07, 8,212.68 and 4,789.55

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Solution

The fourth proportional to 5,971.07, 8,212.68 and 4,789.55 is: 6,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.07 : 8,212.68 = 4,789.55 : x
  2. Step 2: Convert to fraction form
    5,971.07/8,212.68 = 4,789.55/x
  3. Step 3: Cross multiply
    5,971.07x = 8,212.68 × 4,789.55
  4. Step 4: Simplify right side
    5,971.07x = 39,335,062.03
  5. Step 5: Solve for x
    x = 39,335,062.03/5,971.07
  6. Step 6: Final answer
    x = 6,587.60

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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.