Home / 5,591.36-7,715.68-3,073.40

Finding the Fourth Proportional to 5,591.36, 7,715.68 and 3,073.40

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Solution

The fourth proportional to 5,591.36, 7,715.68 and 3,073.40 is: 4,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.36 : 7,715.68 = 3,073.40 : x
  2. Step 2: Convert to fraction form
    5,591.36/7,715.68 = 3,073.40/x
  3. Step 3: Cross multiply
    5,591.36x = 7,715.68 × 3,073.40
  4. Step 4: Simplify right side
    5,591.36x = 23,713,390.20
  5. Step 5: Solve for x
    x = 23,713,390.20/5,591.36
  6. Step 6: Final answer
    x = 4,241.08

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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.