Home / 7,261.76-10,019.69-4,747.55

Finding the Fourth Proportional to 7,261.76, 10,019.69 and 4,747.55

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Solution

The fourth proportional to 7,261.76, 10,019.69 and 4,747.55 is: 6,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.76 : 10,019.69 = 4,747.55 : x
  2. Step 2: Convert to fraction form
    7,261.76/10,019.69 = 4,747.55/x
  3. Step 3: Cross multiply
    7,261.76x = 10,019.69 × 4,747.55
  4. Step 4: Simplify right side
    7,261.76x = 47,568,979.26
  5. Step 5: Solve for x
    x = 47,568,979.26/7,261.76
  6. Step 6: Final answer
    x = 6,550.61

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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.