Home / 2,848.41-3,930.66-1,669.05

Finding the Fourth Proportional to 2,848.41, 3,930.66 and 1,669.05

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Solution

The fourth proportional to 2,848.41, 3,930.66 and 1,669.05 is: 2,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.41 : 3,930.66 = 1,669.05 : x
  2. Step 2: Convert to fraction form
    2,848.41/3,930.66 = 1,669.05/x
  3. Step 3: Cross multiply
    2,848.41x = 3,930.66 × 1,669.05
  4. Step 4: Simplify right side
    2,848.41x = 6,560,468.07
  5. Step 5: Solve for x
    x = 6,560,468.07/2,848.41
  6. Step 6: Final answer
    x = 2,303.20

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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.