Home / 3,011.18-4,150.51-2,380.59

Finding the Fourth Proportional to 3,011.18, 4,150.51 and 2,380.59

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Solution

The fourth proportional to 3,011.18, 4,150.51 and 2,380.59 is: 3,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.18 : 4,150.51 = 2,380.59 : x
  2. Step 2: Convert to fraction form
    3,011.18/4,150.51 = 2,380.59/x
  3. Step 3: Cross multiply
    3,011.18x = 4,150.51 × 2,380.59
  4. Step 4: Simplify right side
    3,011.18x = 9,880,656.65
  5. Step 5: Solve for x
    x = 9,880,656.65/3,011.18
  6. Step 6: Final answer
    x = 3,281.33

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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.