Home / 3,574.10-5,357-2,114.48

Finding the Fourth Proportional to 3,574.10, 5,357 and 2,114.48

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Solution

The fourth proportional to 3,574.10, 5,357 and 2,114.48 is: 3,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.10 : 5,357 = 2,114.48 : x
  2. Step 2: Convert to fraction form
    3,574.10/5,357 = 2,114.48/x
  3. Step 3: Cross multiply
    3,574.10x = 5,357 × 2,114.48
  4. Step 4: Simplify right side
    3,574.10x = 11,327,269.36
  5. Step 5: Solve for x
    x = 11,327,269.36/3,574.10
  6. Step 6: Final answer
    x = 3,169.26

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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.