Home / 5,271.55-7,274.44-2,913.53

Finding the Fourth Proportional to 5,271.55, 7,274.44 and 2,913.53

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Solution

The fourth proportional to 5,271.55, 7,274.44 and 2,913.53 is: 4,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.55 : 7,274.44 = 2,913.53 : x
  2. Step 2: Convert to fraction form
    5,271.55/7,274.44 = 2,913.53/x
  3. Step 3: Cross multiply
    5,271.55x = 7,274.44 × 2,913.53
  4. Step 4: Simplify right side
    5,271.55x = 21,194,299.17
  5. Step 5: Solve for x
    x = 21,194,299.17/5,271.55
  6. Step 6: Final answer
    x = 4,020.51

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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.