Home / 7,270.48-10,911.93-2,891.01

Finding the Fourth Proportional to 7,270.48, 10,911.93 and 2,891.01

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Solution

The fourth proportional to 7,270.48, 10,911.93 and 2,891.01 is: 4,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.48 : 10,911.93 = 2,891.01 : x
  2. Step 2: Convert to fraction form
    7,270.48/10,911.93 = 2,891.01/x
  3. Step 3: Cross multiply
    7,270.48x = 10,911.93 × 2,891.01
  4. Step 4: Simplify right side
    7,270.48x = 31,546,498.75
  5. Step 5: Solve for x
    x = 31,546,498.75/7,270.48
  6. Step 6: Final answer
    x = 4,338.98

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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.