Home / 5,276.95-7,918.16-3,828.06

Finding the Fourth Proportional to 5,276.95, 7,918.16 and 3,828.06

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Solution

The fourth proportional to 5,276.95, 7,918.16 and 3,828.06 is: 5,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.95 : 7,918.16 = 3,828.06 : x
  2. Step 2: Convert to fraction form
    5,276.95/7,918.16 = 3,828.06/x
  3. Step 3: Cross multiply
    5,276.95x = 7,918.16 × 3,828.06
  4. Step 4: Simplify right side
    5,276.95x = 30,311,172.43
  5. Step 5: Solve for x
    x = 30,311,172.43/5,276.95
  6. Step 6: Final answer
    x = 5,744.07

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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.