Home / 7,076.56-9,765.76-3,933.04

Finding the Fourth Proportional to 7,076.56, 9,765.76 and 3,933.04

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Solution

The fourth proportional to 7,076.56, 9,765.76 and 3,933.04 is: 5,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.56 : 9,765.76 = 3,933.04 : x
  2. Step 2: Convert to fraction form
    7,076.56/9,765.76 = 3,933.04/x
  3. Step 3: Cross multiply
    7,076.56x = 9,765.76 × 3,933.04
  4. Step 4: Simplify right side
    7,076.56x = 38,409,124.71
  5. Step 5: Solve for x
    x = 38,409,124.71/7,076.56
  6. Step 6: Final answer
    x = 5,427.65

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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.