Home / 5,025.78-7,542.77-2,106.14

Finding the Fourth Proportional to 5,025.78, 7,542.77 and 2,106.14

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Solution

The fourth proportional to 5,025.78, 7,542.77 and 2,106.14 is: 3,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.78 : 7,542.77 = 2,106.14 : x
  2. Step 2: Convert to fraction form
    5,025.78/7,542.77 = 2,106.14/x
  3. Step 3: Cross multiply
    5,025.78x = 7,542.77 × 2,106.14
  4. Step 4: Simplify right side
    5,025.78x = 15,886,081.36
  5. Step 5: Solve for x
    x = 15,886,081.36/5,025.78
  6. Step 6: Final answer
    x = 3,160.92

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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.