Home / 2,059.48-2,841.90-1,220.04

Finding the Fourth Proportional to 2,059.48, 2,841.90 and 1,220.04

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Solution

The fourth proportional to 2,059.48, 2,841.90 and 1,220.04 is: 1,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.48 : 2,841.90 = 1,220.04 : x
  2. Step 2: Convert to fraction form
    2,059.48/2,841.90 = 1,220.04/x
  3. Step 3: Cross multiply
    2,059.48x = 2,841.90 × 1,220.04
  4. Step 4: Simplify right side
    2,059.48x = 3,467,231.68
  5. Step 5: Solve for x
    x = 3,467,231.68/2,059.48
  6. Step 6: Final answer
    x = 1,683.55

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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.