Home / 3,070.85-4,237.75-1,744.74

Finding the Fourth Proportional to 3,070.85, 4,237.75 and 1,744.74

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Solution

The fourth proportional to 3,070.85, 4,237.75 and 1,744.74 is: 2,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.85 : 4,237.75 = 1,744.74 : x
  2. Step 2: Convert to fraction form
    3,070.85/4,237.75 = 1,744.74/x
  3. Step 3: Cross multiply
    3,070.85x = 4,237.75 × 1,744.74
  4. Step 4: Simplify right side
    3,070.85x = 7,393,774.12
  5. Step 5: Solve for x
    x = 7,393,774.12/3,070.85
  6. Step 6: Final answer
    x = 2,407.73

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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.