Home / 1,481.03-2,043.85-957.98

Finding the Fourth Proportional to 1,481.03, 2,043.85 and 957.98

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Solution

The fourth proportional to 1,481.03, 2,043.85 and 957.98 is: 1,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.03 : 2,043.85 = 957.98 : x
  2. Step 2: Convert to fraction form
    1,481.03/2,043.85 = 957.98/x
  3. Step 3: Cross multiply
    1,481.03x = 2,043.85 × 957.98
  4. Step 4: Simplify right side
    1,481.03x = 1,957,954.81
  5. Step 5: Solve for x
    x = 1,957,954.81/1,481.03
  6. Step 6: Final answer
    x = 1,322.02

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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.