Home / 3,155.18-4,725.48-3,045.83

Finding the Fourth Proportional to 3,155.18, 4,725.48 and 3,045.83

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Solution

The fourth proportional to 3,155.18, 4,725.48 and 3,045.83 is: 4,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.18 : 4,725.48 = 3,045.83 : x
  2. Step 2: Convert to fraction form
    3,155.18/4,725.48 = 3,045.83/x
  3. Step 3: Cross multiply
    3,155.18x = 4,725.48 × 3,045.83
  4. Step 4: Simplify right side
    3,155.18x = 14,393,020.56
  5. Step 5: Solve for x
    x = 14,393,020.56/3,155.18
  6. Step 6: Final answer
    x = 4,561.71

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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.