Home / 5,156.25-7,112.94-3,264.63

Finding the Fourth Proportional to 5,156.25, 7,112.94 and 3,264.63

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Solution

The fourth proportional to 5,156.25, 7,112.94 and 3,264.63 is: 4,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.25 : 7,112.94 = 3,264.63 : x
  2. Step 2: Convert to fraction form
    5,156.25/7,112.94 = 3,264.63/x
  3. Step 3: Cross multiply
    5,156.25x = 7,112.94 × 3,264.63
  4. Step 4: Simplify right side
    5,156.25x = 23,221,117.31
  5. Step 5: Solve for x
    x = 23,221,117.31/5,156.25
  6. Step 6: Final answer
    x = 4,503.49

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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.