Home / 3,038.51-4,191.66-2,618.15

Finding the Fourth Proportional to 3,038.51, 4,191.66 and 2,618.15

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Solution

The fourth proportional to 3,038.51, 4,191.66 and 2,618.15 is: 3,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.51 : 4,191.66 = 2,618.15 : x
  2. Step 2: Convert to fraction form
    3,038.51/4,191.66 = 2,618.15/x
  3. Step 3: Cross multiply
    3,038.51x = 4,191.66 × 2,618.15
  4. Step 4: Simplify right side
    3,038.51x = 10,974,373.67
  5. Step 5: Solve for x
    x = 10,974,373.67/3,038.51
  6. Step 6: Final answer
    x = 3,611.76

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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.