Home / 5,609.16-8,421.18-4,792.68

Finding the Fourth Proportional to 5,609.16, 8,421.18 and 4,792.68

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Solution

The fourth proportional to 5,609.16, 8,421.18 and 4,792.68 is: 7,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.16 : 8,421.18 = 4,792.68 : x
  2. Step 2: Convert to fraction form
    5,609.16/8,421.18 = 4,792.68/x
  3. Step 3: Cross multiply
    5,609.16x = 8,421.18 × 4,792.68
  4. Step 4: Simplify right side
    5,609.16x = 40,360,020.96
  5. Step 5: Solve for x
    x = 40,360,020.96/5,609.16
  6. Step 6: Final answer
    x = 7,195.38

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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.