Home / 5,404.28-7,457.46-3,047

Finding the Fourth Proportional to 5,404.28, 7,457.46 and 3,047

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Solution

The fourth proportional to 5,404.28, 7,457.46 and 3,047 is: 4,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.28 : 7,457.46 = 3,047 : x
  2. Step 2: Convert to fraction form
    5,404.28/7,457.46 = 3,047/x
  3. Step 3: Cross multiply
    5,404.28x = 7,457.46 × 3,047
  4. Step 4: Simplify right side
    5,404.28x = 22,722,880.62
  5. Step 5: Solve for x
    x = 22,722,880.62/5,404.28
  6. Step 6: Final answer
    x = 4,204.61

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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.