Home / 3,089.22-4,635.23-1,530.78

Finding the Fourth Proportional to 3,089.22, 4,635.23 and 1,530.78

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Solution

The fourth proportional to 3,089.22, 4,635.23 and 1,530.78 is: 2,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.22 : 4,635.23 = 1,530.78 : x
  2. Step 2: Convert to fraction form
    3,089.22/4,635.23 = 1,530.78/x
  3. Step 3: Cross multiply
    3,089.22x = 4,635.23 × 1,530.78
  4. Step 4: Simplify right side
    3,089.22x = 7,095,509.73
  5. Step 5: Solve for x
    x = 7,095,509.73/3,089.22
  6. Step 6: Final answer
    x = 2,296.86

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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.