Home / 7,701.28-10,627.74-4,164.48

Finding the Fourth Proportional to 7,701.28, 10,627.74 and 4,164.48

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Solution

The fourth proportional to 7,701.28, 10,627.74 and 4,164.48 is: 5,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.28 : 10,627.74 = 4,164.48 : x
  2. Step 2: Convert to fraction form
    7,701.28/10,627.74 = 4,164.48/x
  3. Step 3: Cross multiply
    7,701.28x = 10,627.74 × 4,164.48
  4. Step 4: Simplify right side
    7,701.28x = 44,259,010.68
  5. Step 5: Solve for x
    x = 44,259,010.68/7,701.28
  6. Step 6: Final answer
    x = 5,746.97

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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.