Home / 2,900.22-4,002.27-1,573.92

Finding the Fourth Proportional to 2,900.22, 4,002.27 and 1,573.92

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Solution

The fourth proportional to 2,900.22, 4,002.27 and 1,573.92 is: 2,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.22 : 4,002.27 = 1,573.92 : x
  2. Step 2: Convert to fraction form
    2,900.22/4,002.27 = 1,573.92/x
  3. Step 3: Cross multiply
    2,900.22x = 4,002.27 × 1,573.92
  4. Step 4: Simplify right side
    2,900.22x = 6,299,252.80
  5. Step 5: Solve for x
    x = 6,299,252.80/2,900.22
  6. Step 6: Final answer
    x = 2,171.99

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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.