Home / 5,261.85-7,261.46-2,903.99

Finding the Fourth Proportional to 5,261.85, 7,261.46 and 2,903.99

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Solution

The fourth proportional to 5,261.85, 7,261.46 and 2,903.99 is: 4,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.85 : 7,261.46 = 2,903.99 : x
  2. Step 2: Convert to fraction form
    5,261.85/7,261.46 = 2,903.99/x
  3. Step 3: Cross multiply
    5,261.85x = 7,261.46 × 2,903.99
  4. Step 4: Simplify right side
    5,261.85x = 21,087,167.29
  5. Step 5: Solve for x
    x = 21,087,167.29/5,261.85
  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.