Home / 5,688.83-7,847.48-4,627.73

Finding the Fourth Proportional to 5,688.83, 7,847.48 and 4,627.73

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Solution

The fourth proportional to 5,688.83, 7,847.48 and 4,627.73 is: 6,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.83 : 7,847.48 = 4,627.73 : x
  2. Step 2: Convert to fraction form
    5,688.83/7,847.48 = 4,627.73/x
  3. Step 3: Cross multiply
    5,688.83x = 7,847.48 × 4,627.73
  4. Step 4: Simplify right side
    5,688.83x = 36,316,049.81
  5. Step 5: Solve for x
    x = 36,316,049.81/5,688.83
  6. Step 6: Final answer
    x = 6,383.74

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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.