Home / 2,340.55-3,228.33-1,867.83

Finding the Fourth Proportional to 2,340.55, 3,228.33 and 1,867.83

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Solution

The fourth proportional to 2,340.55, 3,228.33 and 1,867.83 is: 2,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.55 : 3,228.33 = 1,867.83 : x
  2. Step 2: Convert to fraction form
    2,340.55/3,228.33 = 1,867.83/x
  3. Step 3: Cross multiply
    2,340.55x = 3,228.33 × 1,867.83
  4. Step 4: Simplify right side
    2,340.55x = 6,029,988.51
  5. Step 5: Solve for x
    x = 6,029,988.51/2,340.55
  6. Step 6: Final answer
    x = 2,576.32

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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.