Home / 4,750.63-7,123.51-2,530.72

Finding the Fourth Proportional to 4,750.63, 7,123.51 and 2,530.72

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Solution

The fourth proportional to 4,750.63, 7,123.51 and 2,530.72 is: 3,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.63 : 7,123.51 = 2,530.72 : x
  2. Step 2: Convert to fraction form
    4,750.63/7,123.51 = 2,530.72/x
  3. Step 3: Cross multiply
    4,750.63x = 7,123.51 × 2,530.72
  4. Step 4: Simplify right side
    4,750.63x = 18,027,621.29
  5. Step 5: Solve for x
    x = 18,027,621.29/4,750.63
  6. Step 6: Final answer
    x = 3,794.79

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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.