Home / 5,372.70-7,417.78-3,693.56

Finding the Fourth Proportional to 5,372.70, 7,417.78 and 3,693.56

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Solution

The fourth proportional to 5,372.70, 7,417.78 and 3,693.56 is: 5,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.70 : 7,417.78 = 3,693.56 : x
  2. Step 2: Convert to fraction form
    5,372.70/7,417.78 = 3,693.56/x
  3. Step 3: Cross multiply
    5,372.70x = 7,417.78 × 3,693.56
  4. Step 4: Simplify right side
    5,372.70x = 27,398,015.50
  5. Step 5: Solve for x
    x = 27,398,015.50/5,372.70
  6. Step 6: Final answer
    x = 5,099.49

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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.