Home / 5,253.40-7,871.59-2,473.48

Finding the Fourth Proportional to 5,253.40, 7,871.59 and 2,473.48

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Solution

The fourth proportional to 5,253.40, 7,871.59 and 2,473.48 is: 3,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.40 : 7,871.59 = 2,473.48 : x
  2. Step 2: Convert to fraction form
    5,253.40/7,871.59 = 2,473.48/x
  3. Step 3: Cross multiply
    5,253.40x = 7,871.59 × 2,473.48
  4. Step 4: Simplify right side
    5,253.40x = 19,470,220.43
  5. Step 5: Solve for x
    x = 19,470,220.43/5,253.40
  6. Step 6: Final answer
    x = 3,706.21

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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.