Home / 3,864.95-5,337.99-2,611.19

Finding the Fourth Proportional to 3,864.95, 5,337.99 and 2,611.19

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Solution

The fourth proportional to 3,864.95, 5,337.99 and 2,611.19 is: 3,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.95 : 5,337.99 = 2,611.19 : x
  2. Step 2: Convert to fraction form
    3,864.95/5,337.99 = 2,611.19/x
  3. Step 3: Cross multiply
    3,864.95x = 5,337.99 × 2,611.19
  4. Step 4: Simplify right side
    3,864.95x = 13,938,485.75
  5. Step 5: Solve for x
    x = 13,938,485.75/3,864.95
  6. Step 6: Final answer
    x = 3,606.38

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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.