Home / 5,083.64-7,017.56-3,686.12

Finding the Fourth Proportional to 5,083.64, 7,017.56 and 3,686.12

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Solution

The fourth proportional to 5,083.64, 7,017.56 and 3,686.12 is: 5,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.64 : 7,017.56 = 3,686.12 : x
  2. Step 2: Convert to fraction form
    5,083.64/7,017.56 = 3,686.12/x
  3. Step 3: Cross multiply
    5,083.64x = 7,017.56 × 3,686.12
  4. Step 4: Simplify right side
    5,083.64x = 25,867,568.27
  5. Step 5: Solve for x
    x = 25,867,568.27/5,083.64
  6. Step 6: Final answer
    x = 5,088.39

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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.