Home / 5,168.51-7,755.34-2,048.45

Finding the Fourth Proportional to 5,168.51, 7,755.34 and 2,048.45

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Solution

The fourth proportional to 5,168.51, 7,755.34 and 2,048.45 is: 3,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.51 : 7,755.34 = 2,048.45 : x
  2. Step 2: Convert to fraction form
    5,168.51/7,755.34 = 2,048.45/x
  3. Step 3: Cross multiply
    5,168.51x = 7,755.34 × 2,048.45
  4. Step 4: Simplify right side
    5,168.51x = 15,886,445.84
  5. Step 5: Solve for x
    x = 15,886,445.84/5,168.51
  6. Step 6: Final answer
    x = 3,073.70

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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.