Home / 7,317.14-10,097.57-3,959.88

Finding the Fourth Proportional to 7,317.14, 10,097.57 and 3,959.88

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Solution

The fourth proportional to 7,317.14, 10,097.57 and 3,959.88 is: 5,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.14 : 10,097.57 = 3,959.88 : x
  2. Step 2: Convert to fraction form
    7,317.14/10,097.57 = 3,959.88/x
  3. Step 3: Cross multiply
    7,317.14x = 10,097.57 × 3,959.88
  4. Step 4: Simplify right side
    7,317.14x = 39,985,115.25
  5. Step 5: Solve for x
    x = 39,985,115.25/7,317.14
  6. Step 6: Final answer
    x = 5,464.59

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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.