Home / 7,580.19-11,371.31-2,648.67

Finding the Fourth Proportional to 7,580.19, 11,371.31 and 2,648.67

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Solution

The fourth proportional to 7,580.19, 11,371.31 and 2,648.67 is: 3,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.19 : 11,371.31 = 2,648.67 : x
  2. Step 2: Convert to fraction form
    7,580.19/11,371.31 = 2,648.67/x
  3. Step 3: Cross multiply
    7,580.19x = 11,371.31 × 2,648.67
  4. Step 4: Simplify right side
    7,580.19x = 30,118,847.66
  5. Step 5: Solve for x
    x = 30,118,847.66/7,580.19
  6. Step 6: Final answer
    x = 3,973.36

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1.5x scale

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.