Home / 5,040.96-6,956.61-2,772.40

Finding the Fourth Proportional to 5,040.96, 6,956.61 and 2,772.40

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Solution

The fourth proportional to 5,040.96, 6,956.61 and 2,772.40 is: 3,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.96 : 6,956.61 = 2,772.40 : x
  2. Step 2: Convert to fraction form
    5,040.96/6,956.61 = 2,772.40/x
  3. Step 3: Cross multiply
    5,040.96x = 6,956.61 × 2,772.40
  4. Step 4: Simplify right side
    5,040.96x = 19,286,488.17
  5. Step 5: Solve for x
    x = 19,286,488.17/5,040.96
  6. Step 6: Final answer
    x = 3,825.96

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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.