Home / 7,357.72-10,153.66-4,000.54

Finding the Fourth Proportional to 7,357.72, 10,153.66 and 4,000.54

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Solution

The fourth proportional to 7,357.72, 10,153.66 and 4,000.54 is: 5,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.72 : 10,153.66 = 4,000.54 : x
  2. Step 2: Convert to fraction form
    7,357.72/10,153.66 = 4,000.54/x
  3. Step 3: Cross multiply
    7,357.72x = 10,153.66 × 4,000.54
  4. Step 4: Simplify right side
    7,357.72x = 40,620,122.98
  5. Step 5: Solve for x
    x = 40,620,122.98/7,357.72
  6. Step 6: Final answer
    x = 5,520.75

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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.