Home / 5,406.13-7,459.45-3,047.82

Finding the Fourth Proportional to 5,406.13, 7,459.45 and 3,047.82

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Solution

The fourth proportional to 5,406.13, 7,459.45 and 3,047.82 is: 4,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.13 : 7,459.45 = 3,047.82 : x
  2. Step 2: Convert to fraction form
    5,406.13/7,459.45 = 3,047.82/x
  3. Step 3: Cross multiply
    5,406.13x = 7,459.45 × 3,047.82
  4. Step 4: Simplify right side
    5,406.13x = 22,735,060.90
  5. Step 5: Solve for x
    x = 22,735,060.90/5,406.13
  6. Step 6: Final answer
    x = 4,205.42

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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.