Home / 4,855.13-7,282.76-1,392.38

Finding the Fourth Proportional to 4,855.13, 7,282.76 and 1,392.38

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Solution

The fourth proportional to 4,855.13, 7,282.76 and 1,392.38 is: 2,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.13 : 7,282.76 = 1,392.38 : x
  2. Step 2: Convert to fraction form
    4,855.13/7,282.76 = 1,392.38/x
  3. Step 3: Cross multiply
    4,855.13x = 7,282.76 × 1,392.38
  4. Step 4: Simplify right side
    4,855.13x = 10,140,325.99
  5. Step 5: Solve for x
    x = 10,140,325.99/4,855.13
  6. Step 6: Final answer
    x = 2,088.58

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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.