Home / 5,207.22-7,235.78-5,153.94

Finding the Fourth Proportional to 5,207.22, 7,235.78 and 5,153.94

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Solution

The fourth proportional to 5,207.22, 7,235.78 and 5,153.94 is: 7,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.22 : 7,235.78 = 5,153.94 : x
  2. Step 2: Convert to fraction form
    5,207.22/7,235.78 = 5,153.94/x
  3. Step 3: Cross multiply
    5,207.22x = 7,235.78 × 5,153.94
  4. Step 4: Simplify right side
    5,207.22x = 37,292,750.20
  5. Step 5: Solve for x
    x = 37,292,750.20/5,207.22
  6. Step 6: Final answer
    x = 7,161.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.