Home / 5,182.65-7,152.10-2,824.81

Finding the Fourth Proportional to 5,182.65, 7,152.10 and 2,824.81

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Solution

The fourth proportional to 5,182.65, 7,152.10 and 2,824.81 is: 3,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.65 : 7,152.10 = 2,824.81 : x
  2. Step 2: Convert to fraction form
    5,182.65/7,152.10 = 2,824.81/x
  3. Step 3: Cross multiply
    5,182.65x = 7,152.10 × 2,824.81
  4. Step 4: Simplify right side
    5,182.65x = 20,203,298.66
  5. Step 5: Solve for x
    x = 20,203,298.66/5,182.65
  6. Step 6: Final answer
    x = 3,898.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.