Home / 7,750.47-11,627.34-4,051.71

Finding the Fourth Proportional to 7,750.47, 11,627.34 and 4,051.71

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Solution

The fourth proportional to 7,750.47, 11,627.34 and 4,051.71 is: 6,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.47 : 11,627.34 = 4,051.71 : x
  2. Step 2: Convert to fraction form
    7,750.47/11,627.34 = 4,051.71/x
  3. Step 3: Cross multiply
    7,750.47x = 11,627.34 × 4,051.71
  4. Step 4: Simplify right side
    7,750.47x = 47,110,609.75
  5. Step 5: Solve for x
    x = 47,110,609.75/7,750.47
  6. Step 6: Final answer
    x = 6,078.42

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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.