Home / 7,755.03-10,703.67-5,102.70

Finding the Fourth Proportional to 7,755.03, 10,703.67 and 5,102.70

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Solution

The fourth proportional to 7,755.03, 10,703.67 and 5,102.70 is: 7,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.03 : 10,703.67 = 5,102.70 : x
  2. Step 2: Convert to fraction form
    7,755.03/10,703.67 = 5,102.70/x
  3. Step 3: Cross multiply
    7,755.03x = 10,703.67 × 5,102.70
  4. Step 4: Simplify right side
    7,755.03x = 54,617,616.91
  5. Step 5: Solve for x
    x = 54,617,616.91/7,755.03
  6. Step 6: Final answer
    x = 7,042.86

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1.5x scale

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.