Home / 2,420.12-3,627.82-1,033.80

Finding the Fourth Proportional to 2,420.12, 3,627.82 and 1,033.80

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Solution

The fourth proportional to 2,420.12, 3,627.82 and 1,033.80 is: 1,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.12 : 3,627.82 = 1,033.80 : x
  2. Step 2: Convert to fraction form
    2,420.12/3,627.82 = 1,033.80/x
  3. Step 3: Cross multiply
    2,420.12x = 3,627.82 × 1,033.80
  4. Step 4: Simplify right side
    2,420.12x = 3,750,440.32
  5. Step 5: Solve for x
    x = 3,750,440.32/2,420.12
  6. Step 6: Final answer
    x = 1,549.69

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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.