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Finding the Fourth Proportional to 3,070.74, 4,237.48 and 1,744.42

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Solution

The fourth proportional to 3,070.74, 4,237.48 and 1,744.42 is: 2,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.74 : 4,237.48 = 1,744.42 : x
  2. Step 2: Convert to fraction form
    3,070.74/4,237.48 = 1,744.42/x
  3. Step 3: Cross multiply
    3,070.74x = 4,237.48 × 1,744.42
  4. Step 4: Simplify right side
    3,070.74x = 7,391,944.86
  5. Step 5: Solve for x
    x = 7,391,944.86/3,070.74
  6. Step 6: Final answer
    x = 2,407.22

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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.