Home / 7,002.30-10,502.48-2,072.46

Finding the Fourth Proportional to 7,002.30, 10,502.48 and 2,072.46

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Solution

The fourth proportional to 7,002.30, 10,502.48 and 2,072.46 is: 3,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.30 : 10,502.48 = 2,072.46 : x
  2. Step 2: Convert to fraction form
    7,002.30/10,502.48 = 2,072.46/x
  3. Step 3: Cross multiply
    7,002.30x = 10,502.48 × 2,072.46
  4. Step 4: Simplify right side
    7,002.30x = 21,765,969.70
  5. Step 5: Solve for x
    x = 21,765,969.70/7,002.30
  6. Step 6: Final answer
    x = 3,108.40

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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.