Home / 2,920.97-4,377.36-2,595.67

Finding the Fourth Proportional to 2,920.97, 4,377.36 and 2,595.67

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Solution

The fourth proportional to 2,920.97, 4,377.36 and 2,595.67 is: 3,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.97 : 4,377.36 = 2,595.67 : x
  2. Step 2: Convert to fraction form
    2,920.97/4,377.36 = 2,595.67/x
  3. Step 3: Cross multiply
    2,920.97x = 4,377.36 × 2,595.67
  4. Step 4: Simplify right side
    2,920.97x = 11,362,182.03
  5. Step 5: Solve for x
    x = 11,362,182.03/2,920.97
  6. Step 6: Final answer
    x = 3,889.87

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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.