Home / 7,158.43-10,735.57-2,478.25

Finding the Fourth Proportional to 7,158.43, 10,735.57 and 2,478.25

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Solution

The fourth proportional to 7,158.43, 10,735.57 and 2,478.25 is: 3,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.43 : 10,735.57 = 2,478.25 : x
  2. Step 2: Convert to fraction form
    7,158.43/10,735.57 = 2,478.25/x
  3. Step 3: Cross multiply
    7,158.43x = 10,735.57 × 2,478.25
  4. Step 4: Simplify right side
    7,158.43x = 26,605,382.48
  5. Step 5: Solve for x
    x = 26,605,382.48/7,158.43
  6. Step 6: Final answer
    x = 3,716.65

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1.5x scale

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.