Home / 5,261.83-7,261.35-2,904.12

Finding the Fourth Proportional to 5,261.83, 7,261.35 and 2,904.12

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Solution

The fourth proportional to 5,261.83, 7,261.35 and 2,904.12 is: 4,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.83 : 7,261.35 = 2,904.12 : x
  2. Step 2: Convert to fraction form
    5,261.83/7,261.35 = 2,904.12/x
  3. Step 3: Cross multiply
    5,261.83x = 7,261.35 × 2,904.12
  4. Step 4: Simplify right side
    5,261.83x = 21,087,849.92
  5. Step 5: Solve for x
    x = 21,087,849.92/5,261.83
  6. Step 6: Final answer
    x = 4,007.70

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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.