Home / 1,611.57-2,223.95-1,479.33

Finding the Fourth Proportional to 1,611.57, 2,223.95 and 1,479.33

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Solution

The fourth proportional to 1,611.57, 2,223.95 and 1,479.33 is: 2,041.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.57 : 2,223.95 = 1,479.33 : x
  2. Step 2: Convert to fraction form
    1,611.57/2,223.95 = 1,479.33/x
  3. Step 3: Cross multiply
    1,611.57x = 2,223.95 × 1,479.33
  4. Step 4: Simplify right side
    1,611.57x = 3,289,954.09
  5. Step 5: Solve for x
    x = 3,289,954.09/1,611.57
  6. Step 6: Final answer
    x = 2,041.46

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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.