Home / 5,287.87-7,297.24-2,930.01

Finding the Fourth Proportional to 5,287.87, 7,297.24 and 2,930.01

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Solution

The fourth proportional to 5,287.87, 7,297.24 and 2,930.01 is: 4,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.87 : 7,297.24 = 2,930.01 : x
  2. Step 2: Convert to fraction form
    5,287.87/7,297.24 = 2,930.01/x
  3. Step 3: Cross multiply
    5,287.87x = 7,297.24 × 2,930.01
  4. Step 4: Simplify right side
    5,287.87x = 21,380,956.98
  5. Step 5: Solve for x
    x = 21,380,956.98/5,287.87
  6. Step 6: Final answer
    x = 4,043.40

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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.