Home / 4,078.68-6,117.13-1,885.33

Finding the Fourth Proportional to 4,078.68, 6,117.13 and 1,885.33

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Solution

The fourth proportional to 4,078.68, 6,117.13 and 1,885.33 is: 2,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.68 : 6,117.13 = 1,885.33 : x
  2. Step 2: Convert to fraction form
    4,078.68/6,117.13 = 1,885.33/x
  3. Step 3: Cross multiply
    4,078.68x = 6,117.13 × 1,885.33
  4. Step 4: Simplify right side
    4,078.68x = 11,532,808.70
  5. Step 5: Solve for x
    x = 11,532,808.70/4,078.68
  6. Step 6: Final answer
    x = 2,827.58

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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.