Home / 2,900.24-4,350.36-708.97

Finding the Fourth Proportional to 2,900.24, 4,350.36 and 708.97

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Solution

The fourth proportional to 2,900.24, 4,350.36 and 708.97 is: 1,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.24 : 4,350.36 = 708.97 : x
  2. Step 2: Convert to fraction form
    2,900.24/4,350.36 = 708.97/x
  3. Step 3: Cross multiply
    2,900.24x = 4,350.36 × 708.97
  4. Step 4: Simplify right side
    2,900.24x = 3,084,252.98
  5. Step 5: Solve for x
    x = 3,084,252.98/2,900.24
  6. Step 6: Final answer
    x = 1,063.45

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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.