Home / 7,141.57-10,722.43-4,500.51

Finding the Fourth Proportional to 7,141.57, 10,722.43 and 4,500.51

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Solution

The fourth proportional to 7,141.57, 10,722.43 and 4,500.51 is: 6,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.57 : 10,722.43 = 4,500.51 : x
  2. Step 2: Convert to fraction form
    7,141.57/10,722.43 = 4,500.51/x
  3. Step 3: Cross multiply
    7,141.57x = 10,722.43 × 4,500.51
  4. Step 4: Simplify right side
    7,141.57x = 48,256,403.44
  5. Step 5: Solve for x
    x = 48,256,403.44/7,141.57
  6. Step 6: Final answer
    x = 6,757.11

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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.