Home / 4,078.01-5,627.48-2,309.58

Finding the Fourth Proportional to 4,078.01, 5,627.48 and 2,309.58

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Solution

The fourth proportional to 4,078.01, 5,627.48 and 2,309.58 is: 3,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.01 : 5,627.48 = 2,309.58 : x
  2. Step 2: Convert to fraction form
    4,078.01/5,627.48 = 2,309.58/x
  3. Step 3: Cross multiply
    4,078.01x = 5,627.48 × 2,309.58
  4. Step 4: Simplify right side
    4,078.01x = 12,997,103.71
  5. Step 5: Solve for x
    x = 12,997,103.71/4,078.01
  6. Step 6: Final answer
    x = 3,187.12

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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.