Home / 5,789.15-8,641.37-4,972.67

Finding the Fourth Proportional to 5,789.15, 8,641.37 and 4,972.67

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Solution

The fourth proportional to 5,789.15, 8,641.37 and 4,972.67 is: 7,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.15 : 8,641.37 = 4,972.67 : x
  2. Step 2: Convert to fraction form
    5,789.15/8,641.37 = 4,972.67/x
  3. Step 3: Cross multiply
    5,789.15x = 8,641.37 × 4,972.67
  4. Step 4: Simplify right side
    5,789.15x = 42,970,613.29
  5. Step 5: Solve for x
    x = 42,970,613.29/5,789.15
  6. Step 6: Final answer
    x = 7,422.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.