Home / 6,931.45-10,401.29-2,551.98

Finding the Fourth Proportional to 6,931.45, 10,401.29 and 2,551.98

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Solution

The fourth proportional to 6,931.45, 10,401.29 and 2,551.98 is: 3,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.45 : 10,401.29 = 2,551.98 : x
  2. Step 2: Convert to fraction form
    6,931.45/10,401.29 = 2,551.98/x
  3. Step 3: Cross multiply
    6,931.45x = 10,401.29 × 2,551.98
  4. Step 4: Simplify right side
    6,931.45x = 26,543,890.43
  5. Step 5: Solve for x
    x = 26,543,890.43/6,931.45
  6. Step 6: Final answer
    x = 3,829.49

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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.