Home / 5,261.92-7,261.50-2,904.01

Finding the Fourth Proportional to 5,261.92, 7,261.50 and 2,904.01

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Solution

The fourth proportional to 5,261.92, 7,261.50 and 2,904.01 is: 4,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.92 : 7,261.50 = 2,904.01 : x
  2. Step 2: Convert to fraction form
    5,261.92/7,261.50 = 2,904.01/x
  3. Step 3: Cross multiply
    5,261.92x = 7,261.50 × 2,904.01
  4. Step 4: Simplify right side
    5,261.92x = 21,087,468.62
  5. Step 5: Solve for x
    x = 21,087,468.62/5,261.92
  6. Step 6: Final answer
    x = 4,007.56

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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.