Home / 3,074.61-4,243.04-1,730.26

Finding the Fourth Proportional to 3,074.61, 4,243.04 and 1,730.26

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Solution

The fourth proportional to 3,074.61, 4,243.04 and 1,730.26 is: 2,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.61 : 4,243.04 = 1,730.26 : x
  2. Step 2: Convert to fraction form
    3,074.61/4,243.04 = 1,730.26/x
  3. Step 3: Cross multiply
    3,074.61x = 4,243.04 × 1,730.26
  4. Step 4: Simplify right side
    3,074.61x = 7,341,562.39
  5. Step 5: Solve for x
    x = 7,341,562.39/3,074.61
  6. Step 6: Final answer
    x = 2,387.80

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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.