Home / 6,465.20-8,920.46-4,693.73

Finding the Fourth Proportional to 6,465.20, 8,920.46 and 4,693.73

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Solution

The fourth proportional to 6,465.20, 8,920.46 and 4,693.73 is: 6,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.20 : 8,920.46 = 4,693.73 : x
  2. Step 2: Convert to fraction form
    6,465.20/8,920.46 = 4,693.73/x
  3. Step 3: Cross multiply
    6,465.20x = 8,920.46 × 4,693.73
  4. Step 4: Simplify right side
    6,465.20x = 41,870,197.85
  5. Step 5: Solve for x
    x = 41,870,197.85/6,465.20
  6. Step 6: Final answer
    x = 6,476.25

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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.