Home / 7,135.90-10,705.47-3,848.92

Finding the Fourth Proportional to 7,135.90, 10,705.47 and 3,848.92

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Solution

The fourth proportional to 7,135.90, 10,705.47 and 3,848.92 is: 5,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.90 : 10,705.47 = 3,848.92 : x
  2. Step 2: Convert to fraction form
    7,135.90/10,705.47 = 3,848.92/x
  3. Step 3: Cross multiply
    7,135.90x = 10,705.47 × 3,848.92
  4. Step 4: Simplify right side
    7,135.90x = 41,204,444.07
  5. Step 5: Solve for x
    x = 41,204,444.07/7,135.90
  6. Step 6: Final answer
    x = 5,774.25

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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.