Home / 2,533.58-3,489.99-2,113.80

Finding the Fourth Proportional to 2,533.58, 3,489.99 and 2,113.80

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Solution

The fourth proportional to 2,533.58, 3,489.99 and 2,113.80 is: 2,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,533.58 : 3,489.99 = 2,113.80 : x
  2. Step 2: Convert to fraction form
    2,533.58/3,489.99 = 2,113.80/x
  3. Step 3: Cross multiply
    2,533.58x = 3,489.99 × 2,113.80
  4. Step 4: Simplify right side
    2,533.58x = 7,377,119.85
  5. Step 5: Solve for x
    x = 7,377,119.85/2,533.58
  6. Step 6: Final answer
    x = 2,911.74

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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.