Home / 5,438.46-7,504.61-3,169.45

Finding the Fourth Proportional to 5,438.46, 7,504.61 and 3,169.45

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Solution

The fourth proportional to 5,438.46, 7,504.61 and 3,169.45 is: 4,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.46 : 7,504.61 = 3,169.45 : x
  2. Step 2: Convert to fraction form
    5,438.46/7,504.61 = 3,169.45/x
  3. Step 3: Cross multiply
    5,438.46x = 7,504.61 × 3,169.45
  4. Step 4: Simplify right side
    5,438.46x = 23,785,486.16
  5. Step 5: Solve for x
    x = 23,785,486.16/5,438.46
  6. Step 6: Final answer
    x = 4,373.57

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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.