Home / 4,147.77-5,718.74-2,653.23

Finding the Fourth Proportional to 4,147.77, 5,718.74 and 2,653.23

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Solution

The fourth proportional to 4,147.77, 5,718.74 and 2,653.23 is: 3,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.77 : 5,718.74 = 2,653.23 : x
  2. Step 2: Convert to fraction form
    4,147.77/5,718.74 = 2,653.23/x
  3. Step 3: Cross multiply
    4,147.77x = 5,718.74 × 2,653.23
  4. Step 4: Simplify right side
    4,147.77x = 15,173,119.26
  5. Step 5: Solve for x
    x = 15,173,119.26/4,147.77
  6. Step 6: Final answer
    x = 3,658.14

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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.