Home / 3,033.45-4,550.58-1,390.37

Finding the Fourth Proportional to 3,033.45, 4,550.58 and 1,390.37

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Solution

The fourth proportional to 3,033.45, 4,550.58 and 1,390.37 is: 2,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.45 : 4,550.58 = 1,390.37 : x
  2. Step 2: Convert to fraction form
    3,033.45/4,550.58 = 1,390.37/x
  3. Step 3: Cross multiply
    3,033.45x = 4,550.58 × 1,390.37
  4. Step 4: Simplify right side
    3,033.45x = 6,326,967.16
  5. Step 5: Solve for x
    x = 6,326,967.16/3,033.45
  6. Step 6: Final answer
    x = 2,085.73

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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.