Home / 5,679.08-8,500.62-4,630.12

Finding the Fourth Proportional to 5,679.08, 8,500.62 and 4,630.12

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Solution

The fourth proportional to 5,679.08, 8,500.62 and 4,630.12 is: 6,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.08 : 8,500.62 = 4,630.12 : x
  2. Step 2: Convert to fraction form
    5,679.08/8,500.62 = 4,630.12/x
  3. Step 3: Cross multiply
    5,679.08x = 8,500.62 × 4,630.12
  4. Step 4: Simplify right side
    5,679.08x = 39,358,890.67
  5. Step 5: Solve for x
    x = 39,358,890.67/5,679.08
  6. Step 6: Final answer
    x = 6,930.50

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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.