Home / 3,901.28-5,860.08-3,316.19

Finding the Fourth Proportional to 3,901.28, 5,860.08 and 3,316.19

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Solution

The fourth proportional to 3,901.28, 5,860.08 and 3,316.19 is: 4,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.28 : 5,860.08 = 3,316.19 : x
  2. Step 2: Convert to fraction form
    3,901.28/5,860.08 = 3,316.19/x
  3. Step 3: Cross multiply
    3,901.28x = 5,860.08 × 3,316.19
  4. Step 4: Simplify right side
    3,901.28x = 19,433,109.39
  5. Step 5: Solve for x
    x = 19,433,109.39/3,901.28
  6. Step 6: Final answer
    x = 4,981.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.