Home / 7,427.07-11,141.52-2,746.28

Finding the Fourth Proportional to 7,427.07, 11,141.52 and 2,746.28

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Solution

The fourth proportional to 7,427.07, 11,141.52 and 2,746.28 is: 4,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.07 : 11,141.52 = 2,746.28 : x
  2. Step 2: Convert to fraction form
    7,427.07/11,141.52 = 2,746.28/x
  3. Step 3: Cross multiply
    7,427.07x = 11,141.52 × 2,746.28
  4. Step 4: Simplify right side
    7,427.07x = 30,597,751.10
  5. Step 5: Solve for x
    x = 30,597,751.10/7,427.07
  6. Step 6: Final answer
    x = 4,119.76

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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.