Home / 5,358.45-8,036.12-2,070.78

Finding the Fourth Proportional to 5,358.45, 8,036.12 and 2,070.78

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Solution

The fourth proportional to 5,358.45, 8,036.12 and 2,070.78 is: 3,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.45 : 8,036.12 = 2,070.78 : x
  2. Step 2: Convert to fraction form
    5,358.45/8,036.12 = 2,070.78/x
  3. Step 3: Cross multiply
    5,358.45x = 8,036.12 × 2,070.78
  4. Step 4: Simplify right side
    5,358.45x = 16,641,025.83
  5. Step 5: Solve for x
    x = 16,641,025.83/5,358.45
  6. Step 6: Final answer
    x = 3,105.56

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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.