Home / 2,472.34-3,709.24-1,172.02

Finding the Fourth Proportional to 2,472.34, 3,709.24 and 1,172.02

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Solution

The fourth proportional to 2,472.34, 3,709.24 and 1,172.02 is: 1,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.34 : 3,709.24 = 1,172.02 : x
  2. Step 2: Convert to fraction form
    2,472.34/3,709.24 = 1,172.02/x
  3. Step 3: Cross multiply
    2,472.34x = 3,709.24 × 1,172.02
  4. Step 4: Simplify right side
    2,472.34x = 4,347,303.46
  5. Step 5: Solve for x
    x = 4,347,303.46/2,472.34
  6. Step 6: Final answer
    x = 1,758.38

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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.