Home / 5,407.68-7,462.18-3,169.25

Finding the Fourth Proportional to 5,407.68, 7,462.18 and 3,169.25

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Solution

The fourth proportional to 5,407.68, 7,462.18 and 3,169.25 is: 4,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.68 : 7,462.18 = 3,169.25 : x
  2. Step 2: Convert to fraction form
    5,407.68/7,462.18 = 3,169.25/x
  3. Step 3: Cross multiply
    5,407.68x = 7,462.18 × 3,169.25
  4. Step 4: Simplify right side
    5,407.68x = 23,649,460.81
  5. Step 5: Solve for x
    x = 23,649,460.81/5,407.68
  6. Step 6: Final answer
    x = 4,373.31

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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.