Home / 4,918.05-7,379.77-2,320.92

Finding the Fourth Proportional to 4,918.05, 7,379.77 and 2,320.92

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Solution

The fourth proportional to 4,918.05, 7,379.77 and 2,320.92 is: 3,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.05 : 7,379.77 = 2,320.92 : x
  2. Step 2: Convert to fraction form
    4,918.05/7,379.77 = 2,320.92/x
  3. Step 3: Cross multiply
    4,918.05x = 7,379.77 × 2,320.92
  4. Step 4: Simplify right side
    4,918.05x = 17,127,807.28
  5. Step 5: Solve for x
    x = 17,127,807.28/4,918.05
  6. Step 6: Final answer
    x = 3,482.65

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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.