Home / 5,176.76-7,142.96-3,052.95

Finding the Fourth Proportional to 5,176.76, 7,142.96 and 3,052.95

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Solution

The fourth proportional to 5,176.76, 7,142.96 and 3,052.95 is: 4,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.76 : 7,142.96 = 3,052.95 : x
  2. Step 2: Convert to fraction form
    5,176.76/7,142.96 = 3,052.95/x
  3. Step 3: Cross multiply
    5,176.76x = 7,142.96 × 3,052.95
  4. Step 4: Simplify right side
    5,176.76x = 21,807,084.47
  5. Step 5: Solve for x
    x = 21,807,084.47/5,176.76
  6. Step 6: Final answer
    x = 4,212.50

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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.