Home / 7,848.51-11,770.94-2,920.47

Finding the Fourth Proportional to 7,848.51, 11,770.94 and 2,920.47

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Solution

The fourth proportional to 7,848.51, 11,770.94 and 2,920.47 is: 4,380.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.51 : 11,770.94 = 2,920.47 : x
  2. Step 2: Convert to fraction form
    7,848.51/11,770.94 = 2,920.47/x
  3. Step 3: Cross multiply
    7,848.51x = 11,770.94 × 2,920.47
  4. Step 4: Simplify right side
    7,848.51x = 34,376,662.54
  5. Step 5: Solve for x
    x = 34,376,662.54/7,848.51
  6. Step 6: Final answer
    x = 4,380.02

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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.