Home / 7,955.64-11,928.72-3,025.65

Finding the Fourth Proportional to 7,955.64, 11,928.72 and 3,025.65

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Solution

The fourth proportional to 7,955.64, 11,928.72 and 3,025.65 is: 4,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.64 : 11,928.72 = 3,025.65 : x
  2. Step 2: Convert to fraction form
    7,955.64/11,928.72 = 3,025.65/x
  3. Step 3: Cross multiply
    7,955.64x = 11,928.72 × 3,025.65
  4. Step 4: Simplify right side
    7,955.64x = 36,092,131.67
  5. Step 5: Solve for x
    x = 36,092,131.67/7,955.64
  6. Step 6: Final answer
    x = 4,536.67

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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.