Home / 5,310.12-7,308.72-4,880.01

Finding the Fourth Proportional to 5,310.12, 7,308.72 and 4,880.01

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Solution

The fourth proportional to 5,310.12, 7,308.72 and 4,880.01 is: 6,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.12 : 7,308.72 = 4,880.01 : x
  2. Step 2: Convert to fraction form
    5,310.12/7,308.72 = 4,880.01/x
  3. Step 3: Cross multiply
    5,310.12x = 7,308.72 × 4,880.01
  4. Step 4: Simplify right side
    5,310.12x = 35,666,626.69
  5. Step 5: Solve for x
    x = 35,666,626.69/5,310.12
  6. Step 6: Final answer
    x = 6,716.73

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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.