Home / 4,083.36-5,628.48-2,756.64

Finding the Fourth Proportional to 4,083.36, 5,628.48 and 2,756.64

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Solution

The fourth proportional to 4,083.36, 5,628.48 and 2,756.64 is: 3,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.36 : 5,628.48 = 2,756.64 : x
  2. Step 2: Convert to fraction form
    4,083.36/5,628.48 = 2,756.64/x
  3. Step 3: Cross multiply
    4,083.36x = 5,628.48 × 2,756.64
  4. Step 4: Simplify right side
    4,083.36x = 15,515,693.11
  5. Step 5: Solve for x
    x = 15,515,693.11/4,083.36
  6. Step 6: Final answer
    x = 3,799.74

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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.