Home / 1,809.44-2,698.95-1,643.34

Finding the Fourth Proportional to 1,809.44, 2,698.95 and 1,643.34

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Solution

The fourth proportional to 1,809.44, 2,698.95 and 1,643.34 is: 2,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.44 : 2,698.95 = 1,643.34 : x
  2. Step 2: Convert to fraction form
    1,809.44/2,698.95 = 1,643.34/x
  3. Step 3: Cross multiply
    1,809.44x = 2,698.95 × 1,643.34
  4. Step 4: Simplify right side
    1,809.44x = 4,435,279.73
  5. Step 5: Solve for x
    x = 4,435,279.73/1,809.44
  6. Step 6: Final answer
    x = 2,451.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.