Home / 5,084.66-7,017.22-2,931.56

Finding the Fourth Proportional to 5,084.66, 7,017.22 and 2,931.56

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Solution

The fourth proportional to 5,084.66, 7,017.22 and 2,931.56 is: 4,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.66 : 7,017.22 = 2,931.56 : x
  2. Step 2: Convert to fraction form
    5,084.66/7,017.22 = 2,931.56/x
  3. Step 3: Cross multiply
    5,084.66x = 7,017.22 × 2,931.56
  4. Step 4: Simplify right side
    5,084.66x = 20,571,402.54
  5. Step 5: Solve for x
    x = 20,571,402.54/5,084.66
  6. Step 6: Final answer
    x = 4,045.78

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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.