Home / 5,270.43-7,905.65-1,374.83

Finding the Fourth Proportional to 5,270.43, 7,905.65 and 1,374.83

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Solution

The fourth proportional to 5,270.43, 7,905.65 and 1,374.83 is: 2,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.43 : 7,905.65 = 1,374.83 : x
  2. Step 2: Convert to fraction form
    5,270.43/7,905.65 = 1,374.83/x
  3. Step 3: Cross multiply
    5,270.43x = 7,905.65 × 1,374.83
  4. Step 4: Simplify right side
    5,270.43x = 10,868,924.79
  5. Step 5: Solve for x
    x = 10,868,924.79/5,270.43
  6. Step 6: Final answer
    x = 2,062.25

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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.