Home / 5,373.94-8,061.39-1,478.36

Finding the Fourth Proportional to 5,373.94, 8,061.39 and 1,478.36

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Solution

The fourth proportional to 5,373.94, 8,061.39 and 1,478.36 is: 2,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.94 : 8,061.39 = 1,478.36 : x
  2. Step 2: Convert to fraction form
    5,373.94/8,061.39 = 1,478.36/x
  3. Step 3: Cross multiply
    5,373.94x = 8,061.39 × 1,478.36
  4. Step 4: Simplify right side
    5,373.94x = 11,917,636.52
  5. Step 5: Solve for x
    x = 11,917,636.52/5,373.94
  6. Step 6: Final answer
    x = 2,217.67

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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.