Home / 2,402.18-3,603.22-670.76

Finding the Fourth Proportional to 2,402.18, 3,603.22 and 670.76

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Solution

The fourth proportional to 2,402.18, 3,603.22 and 670.76 is: 1,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.18 : 3,603.22 = 670.76 : x
  2. Step 2: Convert to fraction form
    2,402.18/3,603.22 = 670.76/x
  3. Step 3: Cross multiply
    2,402.18x = 3,603.22 × 670.76
  4. Step 4: Simplify right side
    2,402.18x = 2,416,895.85
  5. Step 5: Solve for x
    x = 2,416,895.85/2,402.18
  6. Step 6: Final answer
    x = 1,006.13

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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.