Home / 5,097.87-7,035.08-2,859.75

Finding the Fourth Proportional to 5,097.87, 7,035.08 and 2,859.75

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Solution

The fourth proportional to 5,097.87, 7,035.08 and 2,859.75 is: 3,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.87 : 7,035.08 = 2,859.75 : x
  2. Step 2: Convert to fraction form
    5,097.87/7,035.08 = 2,859.75/x
  3. Step 3: Cross multiply
    5,097.87x = 7,035.08 × 2,859.75
  4. Step 4: Simplify right side
    5,097.87x = 20,118,555.73
  5. Step 5: Solve for x
    x = 20,118,555.73/5,097.87
  6. Step 6: Final answer
    x = 3,946.46

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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.