Home / 3,955.70-5,456.53-2,463.86

Finding the Fourth Proportional to 3,955.70, 5,456.53 and 2,463.86

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Solution

The fourth proportional to 3,955.70, 5,456.53 and 2,463.86 is: 3,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.70 : 5,456.53 = 2,463.86 : x
  2. Step 2: Convert to fraction form
    3,955.70/5,456.53 = 2,463.86/x
  3. Step 3: Cross multiply
    3,955.70x = 5,456.53 × 2,463.86
  4. Step 4: Simplify right side
    3,955.70x = 13,444,126.01
  5. Step 5: Solve for x
    x = 13,444,126.01/3,955.70
  6. Step 6: Final answer
    x = 3,398.67

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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.