Home / 4,750.14-7,111.32-2,769.72

Finding the Fourth Proportional to 4,750.14, 7,111.32 and 2,769.72

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Solution

The fourth proportional to 4,750.14, 7,111.32 and 2,769.72 is: 4,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.14 : 7,111.32 = 2,769.72 : x
  2. Step 2: Convert to fraction form
    4,750.14/7,111.32 = 2,769.72/x
  3. Step 3: Cross multiply
    4,750.14x = 7,111.32 × 2,769.72
  4. Step 4: Simplify right side
    4,750.14x = 19,696,365.23
  5. Step 5: Solve for x
    x = 19,696,365.23/4,750.14
  6. Step 6: Final answer
    x = 4,146.48

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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.