Home / 5,260.20-7,258.86-2,902.38

Finding the Fourth Proportional to 5,260.20, 7,258.86 and 2,902.38

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Solution

The fourth proportional to 5,260.20, 7,258.86 and 2,902.38 is: 4,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.20 : 7,258.86 = 2,902.38 : x
  2. Step 2: Convert to fraction form
    5,260.20/7,258.86 = 2,902.38/x
  3. Step 3: Cross multiply
    5,260.20x = 7,258.86 × 2,902.38
  4. Step 4: Simplify right side
    5,260.20x = 21,067,970.09
  5. Step 5: Solve for x
    x = 21,067,970.09/5,260.20
  6. Step 6: Final answer
    x = 4,005.17

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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.