Home / 4,119.92-5,681.68-3,646.06

Finding the Fourth Proportional to 4,119.92, 5,681.68 and 3,646.06

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Solution

The fourth proportional to 4,119.92, 5,681.68 and 3,646.06 is: 5,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.92 : 5,681.68 = 3,646.06 : x
  2. Step 2: Convert to fraction form
    4,119.92/5,681.68 = 3,646.06/x
  3. Step 3: Cross multiply
    4,119.92x = 5,681.68 × 3,646.06
  4. Step 4: Simplify right side
    4,119.92x = 20,715,746.18
  5. Step 5: Solve for x
    x = 20,715,746.18/4,119.92
  6. Step 6: Final answer
    x = 5,028.19

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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.