Home / 5,911.08-8,866.68-2,015.40

Finding the Fourth Proportional to 5,911.08, 8,866.68 and 2,015.40

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Solution

The fourth proportional to 5,911.08, 8,866.68 and 2,015.40 is: 3,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.08 : 8,866.68 = 2,015.40 : x
  2. Step 2: Convert to fraction form
    5,911.08/8,866.68 = 2,015.40/x
  3. Step 3: Cross multiply
    5,911.08x = 8,866.68 × 2,015.40
  4. Step 4: Simplify right side
    5,911.08x = 17,869,906.87
  5. Step 5: Solve for x
    x = 17,869,906.87/5,911.08
  6. Step 6: Final answer
    x = 3,023.12

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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.