Home / 2,060.75-3,090.65-673.70

Finding the Fourth Proportional to 2,060.75, 3,090.65 and 673.70

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Solution

The fourth proportional to 2,060.75, 3,090.65 and 673.70 is: 1,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.75 : 3,090.65 = 673.70 : x
  2. Step 2: Convert to fraction form
    2,060.75/3,090.65 = 673.70/x
  3. Step 3: Cross multiply
    2,060.75x = 3,090.65 × 673.70
  4. Step 4: Simplify right side
    2,060.75x = 2,082,152.08
  5. Step 5: Solve for x
    x = 2,082,152.08/2,060.75
  6. Step 6: Final answer
    x = 1,010.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.