Home / 2,351.50-3,245.06-1,407.33

Finding the Fourth Proportional to 2,351.50, 3,245.06 and 1,407.33

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Solution

The fourth proportional to 2,351.50, 3,245.06 and 1,407.33 is: 1,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.50 : 3,245.06 = 1,407.33 : x
  2. Step 2: Convert to fraction form
    2,351.50/3,245.06 = 1,407.33/x
  3. Step 3: Cross multiply
    2,351.50x = 3,245.06 × 1,407.33
  4. Step 4: Simplify right side
    2,351.50x = 4,566,873.81
  5. Step 5: Solve for x
    x = 4,566,873.81/2,351.50
  6. Step 6: Final answer
    x = 1,942.11

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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.