Home / 5,048.63-7,572.40-1,761.78

Finding the Fourth Proportional to 5,048.63, 7,572.40 and 1,761.78

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Solution

The fourth proportional to 5,048.63, 7,572.40 and 1,761.78 is: 2,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.63 : 7,572.40 = 1,761.78 : x
  2. Step 2: Convert to fraction form
    5,048.63/7,572.40 = 1,761.78/x
  3. Step 3: Cross multiply
    5,048.63x = 7,572.40 × 1,761.78
  4. Step 4: Simplify right side
    5,048.63x = 13,340,921.80
  5. Step 5: Solve for x
    x = 13,340,921.80/5,048.63
  6. Step 6: Final answer
    x = 2,642.48

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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.