Home / 4,127.86-5,696.49-2,239.45

Finding the Fourth Proportional to 4,127.86, 5,696.49 and 2,239.45

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Solution

The fourth proportional to 4,127.86, 5,696.49 and 2,239.45 is: 3,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.86 : 5,696.49 = 2,239.45 : x
  2. Step 2: Convert to fraction form
    4,127.86/5,696.49 = 2,239.45/x
  3. Step 3: Cross multiply
    4,127.86x = 5,696.49 × 2,239.45
  4. Step 4: Simplify right side
    4,127.86x = 12,757,010.13
  5. Step 5: Solve for x
    x = 12,757,010.13/4,127.86
  6. Step 6: Final answer
    x = 3,090.47

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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.