Home / 5,170.74-7,133.28-3,045.17

Finding the Fourth Proportional to 5,170.74, 7,133.28 and 3,045.17

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Solution

The fourth proportional to 5,170.74, 7,133.28 and 3,045.17 is: 4,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.74 : 7,133.28 = 3,045.17 : x
  2. Step 2: Convert to fraction form
    5,170.74/7,133.28 = 3,045.17/x
  3. Step 3: Cross multiply
    5,170.74x = 7,133.28 × 3,045.17
  4. Step 4: Simplify right side
    5,170.74x = 21,722,014.59
  5. Step 5: Solve for x
    x = 21,722,014.59/5,170.74
  6. Step 6: Final answer
    x = 4,200.95

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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.