Home / 6,229.10-8,584.65-5,281.86

Finding the Fourth Proportional to 6,229.10, 8,584.65 and 5,281.86

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Solution

The fourth proportional to 6,229.10, 8,584.65 and 5,281.86 is: 7,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,229.10 : 8,584.65 = 5,281.86 : x
  2. Step 2: Convert to fraction form
    6,229.10/8,584.65 = 5,281.86/x
  3. Step 3: Cross multiply
    6,229.10x = 8,584.65 × 5,281.86
  4. Step 4: Simplify right side
    6,229.10x = 45,342,919.45
  5. Step 5: Solve for x
    x = 45,342,919.45/6,229.10
  6. Step 6: Final answer
    x = 7,279.21

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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.