Home / 5,040.62-6,938.15-3,693.86

Finding the Fourth Proportional to 5,040.62, 6,938.15 and 3,693.86

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Solution

The fourth proportional to 5,040.62, 6,938.15 and 3,693.86 is: 5,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.62 : 6,938.15 = 3,693.86 : x
  2. Step 2: Convert to fraction form
    5,040.62/6,938.15 = 3,693.86/x
  3. Step 3: Cross multiply
    5,040.62x = 6,938.15 × 3,693.86
  4. Step 4: Simplify right side
    5,040.62x = 25,628,501.60
  5. Step 5: Solve for x
    x = 25,628,501.60/5,040.62
  6. Step 6: Final answer
    x = 5,084.40

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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.