Home / 7,276.23-10,907.87-3,378.51

Finding the Fourth Proportional to 7,276.23, 10,907.87 and 3,378.51

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Solution

The fourth proportional to 7,276.23, 10,907.87 and 3,378.51 is: 5,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.23 : 10,907.87 = 3,378.51 : x
  2. Step 2: Convert to fraction form
    7,276.23/10,907.87 = 3,378.51/x
  3. Step 3: Cross multiply
    7,276.23x = 10,907.87 × 3,378.51
  4. Step 4: Simplify right side
    7,276.23x = 36,852,330.98
  5. Step 5: Solve for x
    x = 36,852,330.98/7,276.23
  6. Step 6: Final answer
    x = 5,064.76

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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.