Home / 4,763.12-7,140.56-2,569.30

Finding the Fourth Proportional to 4,763.12, 7,140.56 and 2,569.30

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Solution

The fourth proportional to 4,763.12, 7,140.56 and 2,569.30 is: 3,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.12 : 7,140.56 = 2,569.30 : x
  2. Step 2: Convert to fraction form
    4,763.12/7,140.56 = 2,569.30/x
  3. Step 3: Cross multiply
    4,763.12x = 7,140.56 × 2,569.30
  4. Step 4: Simplify right side
    4,763.12x = 18,346,240.81
  5. Step 5: Solve for x
    x = 18,346,240.81/4,763.12
  6. Step 6: Final answer
    x = 3,851.73

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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.