Home / 5,210.92-7,818.20-1,513.37

Finding the Fourth Proportional to 5,210.92, 7,818.20 and 1,513.37

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Solution

The fourth proportional to 5,210.92, 7,818.20 and 1,513.37 is: 2,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.92 : 7,818.20 = 1,513.37 : x
  2. Step 2: Convert to fraction form
    5,210.92/7,818.20 = 1,513.37/x
  3. Step 3: Cross multiply
    5,210.92x = 7,818.20 × 1,513.37
  4. Step 4: Simplify right side
    5,210.92x = 11,831,829.33
  5. Step 5: Solve for x
    x = 11,831,829.33/5,210.92
  6. Step 6: Final answer
    x = 2,270.58

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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.