Home / 4,059.51-5,611.64-2,890.68

Finding the Fourth Proportional to 4,059.51, 5,611.64 and 2,890.68

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Solution

The fourth proportional to 4,059.51, 5,611.64 and 2,890.68 is: 3,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.51 : 5,611.64 = 2,890.68 : x
  2. Step 2: Convert to fraction form
    4,059.51/5,611.64 = 2,890.68/x
  3. Step 3: Cross multiply
    4,059.51x = 5,611.64 × 2,890.68
  4. Step 4: Simplify right side
    4,059.51x = 16,221,455.52
  5. Step 5: Solve for x
    x = 16,221,455.52/4,059.51
  6. Step 6: Final answer
    x = 3,995.91

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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.