Home / 5,087.64-7,020.48-2,848.44

Finding the Fourth Proportional to 5,087.64, 7,020.48 and 2,848.44

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Solution

The fourth proportional to 5,087.64, 7,020.48 and 2,848.44 is: 3,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.64 : 7,020.48 = 2,848.44 : x
  2. Step 2: Convert to fraction form
    5,087.64/7,020.48 = 2,848.44/x
  3. Step 3: Cross multiply
    5,087.64x = 7,020.48 × 2,848.44
  4. Step 4: Simplify right side
    5,087.64x = 19,997,416.05
  5. Step 5: Solve for x
    x = 19,997,416.05/5,087.64
  6. Step 6: Final answer
    x = 3,930.59

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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.