Home / 5,301.42-7,952.55-1,405.83

Finding the Fourth Proportional to 5,301.42, 7,952.55 and 1,405.83

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Solution

The fourth proportional to 5,301.42, 7,952.55 and 1,405.83 is: 2,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.42 : 7,952.55 = 1,405.83 : x
  2. Step 2: Convert to fraction form
    5,301.42/7,952.55 = 1,405.83/x
  3. Step 3: Cross multiply
    5,301.42x = 7,952.55 × 1,405.83
  4. Step 4: Simplify right side
    5,301.42x = 11,179,947.41
  5. Step 5: Solve for x
    x = 11,179,947.41/5,301.42
  6. Step 6: Final answer
    x = 2,108.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.