Home / 3,448.45-5,172.77-1,258.81

Finding the Fourth Proportional to 3,448.45, 5,172.77 and 1,258.81

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Solution

The fourth proportional to 3,448.45, 5,172.77 and 1,258.81 is: 1,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.45 : 5,172.77 = 1,258.81 : x
  2. Step 2: Convert to fraction form
    3,448.45/5,172.77 = 1,258.81/x
  3. Step 3: Cross multiply
    3,448.45x = 5,172.77 × 1,258.81
  4. Step 4: Simplify right side
    3,448.45x = 6,511,534.60
  5. Step 5: Solve for x
    x = 6,511,534.60/3,448.45
  6. Step 6: Final answer
    x = 1,888.25

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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.