Home / 5,271.07-7,274.51-2,913.25

Finding the Fourth Proportional to 5,271.07, 7,274.51 and 2,913.25

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Solution

The fourth proportional to 5,271.07, 7,274.51 and 2,913.25 is: 4,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.07 : 7,274.51 = 2,913.25 : x
  2. Step 2: Convert to fraction form
    5,271.07/7,274.51 = 2,913.25/x
  3. Step 3: Cross multiply
    5,271.07x = 7,274.51 × 2,913.25
  4. Step 4: Simplify right side
    5,271.07x = 21,192,451.69
  5. Step 5: Solve for x
    x = 21,192,451.69/5,271.07
  6. Step 6: Final answer
    x = 4,020.52

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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.