Home / 7,356.62-10,152.27-3,999.51

Finding the Fourth Proportional to 7,356.62, 10,152.27 and 3,999.51

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Solution

The fourth proportional to 7,356.62, 10,152.27 and 3,999.51 is: 5,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.62 : 10,152.27 = 3,999.51 : x
  2. Step 2: Convert to fraction form
    7,356.62/10,152.27 = 3,999.51/x
  3. Step 3: Cross multiply
    7,356.62x = 10,152.27 × 3,999.51
  4. Step 4: Simplify right side
    7,356.62x = 40,604,105.39
  5. Step 5: Solve for x
    x = 40,604,105.39/7,356.62
  6. Step 6: Final answer
    x = 5,519.39

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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.