Home / 5,513.71-7,616.66-5,015.47

Finding the Fourth Proportional to 5,513.71, 7,616.66 and 5,015.47

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Solution

The fourth proportional to 5,513.71, 7,616.66 and 5,015.47 is: 6,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.71 : 7,616.66 = 5,015.47 : x
  2. Step 2: Convert to fraction form
    5,513.71/7,616.66 = 5,015.47/x
  3. Step 3: Cross multiply
    5,513.71x = 7,616.66 × 5,015.47
  4. Step 4: Simplify right side
    5,513.71x = 38,201,066.57
  5. Step 5: Solve for x
    x = 38,201,066.57/5,513.71
  6. Step 6: Final answer
    x = 6,928.38

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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.