Home / 7,317.29-10,097.88-3,960.10

Finding the Fourth Proportional to 7,317.29, 10,097.88 and 3,960.10

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Solution

The fourth proportional to 7,317.29, 10,097.88 and 3,960.10 is: 5,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.29 : 10,097.88 = 3,960.10 : x
  2. Step 2: Convert to fraction form
    7,317.29/10,097.88 = 3,960.10/x
  3. Step 3: Cross multiply
    7,317.29x = 10,097.88 × 3,960.10
  4. Step 4: Simplify right side
    7,317.29x = 39,988,606.24
  5. Step 5: Solve for x
    x = 39,988,606.24/7,317.29
  6. Step 6: Final answer
    x = 5,464.95

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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.