Home / 4,543.15-6,813.33-1,255.45

Finding the Fourth Proportional to 4,543.15, 6,813.33 and 1,255.45

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Solution

The fourth proportional to 4,543.15, 6,813.33 and 1,255.45 is: 1,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.15 : 6,813.33 = 1,255.45 : x
  2. Step 2: Convert to fraction form
    4,543.15/6,813.33 = 1,255.45/x
  3. Step 3: Cross multiply
    4,543.15x = 6,813.33 × 1,255.45
  4. Step 4: Simplify right side
    4,543.15x = 8,553,795.15
  5. Step 5: Solve for x
    x = 8,553,795.15/4,543.15
  6. Step 6: Final answer
    x = 1,882.79

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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.