Home / 7,134.30-10,698.72-2,453.46

Finding the Fourth Proportional to 7,134.30, 10,698.72 and 2,453.46

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Solution

The fourth proportional to 7,134.30, 10,698.72 and 2,453.46 is: 3,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.30 : 10,698.72 = 2,453.46 : x
  2. Step 2: Convert to fraction form
    7,134.30/10,698.72 = 2,453.46/x
  3. Step 3: Cross multiply
    7,134.30x = 10,698.72 × 2,453.46
  4. Step 4: Simplify right side
    7,134.30x = 26,248,881.57
  5. Step 5: Solve for x
    x = 26,248,881.57/7,134.30
  6. Step 6: Final answer
    x = 3,679.25

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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.