Home / 3,815.49-5,700.11-2,417.64

Finding the Fourth Proportional to 3,815.49, 5,700.11 and 2,417.64

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Solution

The fourth proportional to 3,815.49, 5,700.11 and 2,417.64 is: 3,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.49 : 5,700.11 = 2,417.64 : x
  2. Step 2: Convert to fraction form
    3,815.49/5,700.11 = 2,417.64/x
  3. Step 3: Cross multiply
    3,815.49x = 5,700.11 × 2,417.64
  4. Step 4: Simplify right side
    3,815.49x = 13,780,813.94
  5. Step 5: Solve for x
    x = 13,780,813.94/3,815.49
  6. Step 6: Final answer
    x = 3,611.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.