Home / 7,755.30-10,704.02-5,102.96

Finding the Fourth Proportional to 7,755.30, 10,704.02 and 5,102.96

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Solution

The fourth proportional to 7,755.30, 10,704.02 and 5,102.96 is: 7,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.30 : 10,704.02 = 5,102.96 : x
  2. Step 2: Convert to fraction form
    7,755.30/10,704.02 = 5,102.96/x
  3. Step 3: Cross multiply
    7,755.30x = 10,704.02 × 5,102.96
  4. Step 4: Simplify right side
    7,755.30x = 54,622,106.86
  5. Step 5: Solve for x
    x = 54,622,106.86/7,755.30
  6. Step 6: Final answer
    x = 7,043.20

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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.