Home / 5,205.96-7,184.12-2,848.05

Finding the Fourth Proportional to 5,205.96, 7,184.12 and 2,848.05

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Solution

The fourth proportional to 5,205.96, 7,184.12 and 2,848.05 is: 3,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.96 : 7,184.12 = 2,848.05 : x
  2. Step 2: Convert to fraction form
    5,205.96/7,184.12 = 2,848.05/x
  3. Step 3: Cross multiply
    5,205.96x = 7,184.12 × 2,848.05
  4. Step 4: Simplify right side
    5,205.96x = 20,460,718.73
  5. Step 5: Solve for x
    x = 20,460,718.73/5,205.96
  6. Step 6: Final answer
    x = 3,930.25

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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.