Home / 4,620.82-6,931.68-4,371.70

Finding the Fourth Proportional to 4,620.82, 6,931.68 and 4,371.70

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Solution

The fourth proportional to 4,620.82, 6,931.68 and 4,371.70 is: 6,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.82 : 6,931.68 = 4,371.70 : x
  2. Step 2: Convert to fraction form
    4,620.82/6,931.68 = 4,371.70/x
  3. Step 3: Cross multiply
    4,620.82x = 6,931.68 × 4,371.70
  4. Step 4: Simplify right side
    4,620.82x = 30,303,225.46
  5. Step 5: Solve for x
    x = 30,303,225.46/4,620.82
  6. Step 6: Final answer
    x = 6,557.98

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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.