Home / 7,135.48-10,704.42-2,455.30

Finding the Fourth Proportional to 7,135.48, 10,704.42 and 2,455.30

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Solution

The fourth proportional to 7,135.48, 10,704.42 and 2,455.30 is: 3,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.48 : 10,704.42 = 2,455.30 : x
  2. Step 2: Convert to fraction form
    7,135.48/10,704.42 = 2,455.30/x
  3. Step 3: Cross multiply
    7,135.48x = 10,704.42 × 2,455.30
  4. Step 4: Simplify right side
    7,135.48x = 26,282,562.43
  5. Step 5: Solve for x
    x = 26,282,562.43/7,135.48
  6. Step 6: Final answer
    x = 3,683.36

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1.5x scale

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.