Home / 4,078.68-5,623.08-2,659.56

Finding the Fourth Proportional to 4,078.68, 5,623.08 and 2,659.56

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Solution

The fourth proportional to 4,078.68, 5,623.08 and 2,659.56 is: 3,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.68 : 5,623.08 = 2,659.56 : x
  2. Step 2: Convert to fraction form
    4,078.68/5,623.08 = 2,659.56/x
  3. Step 3: Cross multiply
    4,078.68x = 5,623.08 × 2,659.56
  4. Step 4: Simplify right side
    4,078.68x = 14,954,877.23
  5. Step 5: Solve for x
    x = 14,954,877.23/4,078.68
  6. Step 6: Final answer
    x = 3,666.60

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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.