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Finding the Fourth Proportional to 2,070.46, 3,104.19 and 683.38

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Solution

The fourth proportional to 2,070.46, 3,104.19 and 683.38 is: 1,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.46 : 3,104.19 = 683.38 : x
  2. Step 2: Convert to fraction form
    2,070.46/3,104.19 = 683.38/x
  3. Step 3: Cross multiply
    2,070.46x = 3,104.19 × 683.38
  4. Step 4: Simplify right side
    2,070.46x = 2,121,341.36
  5. Step 5: Solve for x
    x = 2,121,341.36/2,070.46
  6. Step 6: Final answer
    x = 1,024.57

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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.