Home / 5,609.79-8,400.51-3,632.18

Finding the Fourth Proportional to 5,609.79, 8,400.51 and 3,632.18

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Solution

The fourth proportional to 5,609.79, 8,400.51 and 3,632.18 is: 5,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.79 : 8,400.51 = 3,632.18 : x
  2. Step 2: Convert to fraction form
    5,609.79/8,400.51 = 3,632.18/x
  3. Step 3: Cross multiply
    5,609.79x = 8,400.51 × 3,632.18
  4. Step 4: Simplify right side
    5,609.79x = 30,512,122.41
  5. Step 5: Solve for x
    x = 30,512,122.41/5,609.79
  6. Step 6: Final answer
    x = 5,439.08

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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.