Home / 5,261.41-7,257.50-3,135.51

Finding the Fourth Proportional to 5,261.41, 7,257.50 and 3,135.51

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Solution

The fourth proportional to 5,261.41, 7,257.50 and 3,135.51 is: 4,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.41 : 7,257.50 = 3,135.51 : x
  2. Step 2: Convert to fraction form
    5,261.41/7,257.50 = 3,135.51/x
  3. Step 3: Cross multiply
    5,261.41x = 7,257.50 × 3,135.51
  4. Step 4: Simplify right side
    5,261.41x = 22,755,959.91
  5. Step 5: Solve for x
    x = 22,755,959.91/5,261.41
  6. Step 6: Final answer
    x = 4,325.07

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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.