Home / 7,910.82-10,916.64-4,553.51

Finding the Fourth Proportional to 7,910.82, 10,916.64 and 4,553.51

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Solution

The fourth proportional to 7,910.82, 10,916.64 and 4,553.51 is: 6,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.82 : 10,916.64 = 4,553.51 : x
  2. Step 2: Convert to fraction form
    7,910.82/10,916.64 = 4,553.51/x
  3. Step 3: Cross multiply
    7,910.82x = 10,916.64 × 4,553.51
  4. Step 4: Simplify right side
    7,910.82x = 49,708,974.82
  5. Step 5: Solve for x
    x = 49,708,974.82/7,910.82
  6. Step 6: Final answer
    x = 6,283.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.