Home / 4,930.76-7,353.37-4,205

Finding the Fourth Proportional to 4,930.76, 7,353.37 and 4,205

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Solution

The fourth proportional to 4,930.76, 7,353.37 and 4,205 is: 6,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.76 : 7,353.37 = 4,205 : x
  2. Step 2: Convert to fraction form
    4,930.76/7,353.37 = 4,205/x
  3. Step 3: Cross multiply
    4,930.76x = 7,353.37 × 4,205
  4. Step 4: Simplify right side
    4,930.76x = 30,920,920.85
  5. Step 5: Solve for x
    x = 30,920,920.85/4,930.76
  6. Step 6: Final answer
    x = 6,271.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.