Home / 5,210.54-7,815.37-2,048.05

Finding the Fourth Proportional to 5,210.54, 7,815.37 and 2,048.05

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Solution

The fourth proportional to 5,210.54, 7,815.37 and 2,048.05 is: 3,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.54 : 7,815.37 = 2,048.05 : x
  2. Step 2: Convert to fraction form
    5,210.54/7,815.37 = 2,048.05/x
  3. Step 3: Cross multiply
    5,210.54x = 7,815.37 × 2,048.05
  4. Step 4: Simplify right side
    5,210.54x = 16,006,229.45
  5. Step 5: Solve for x
    x = 16,006,229.45/5,210.54
  6. Step 6: Final answer
    x = 3,071.89

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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.