Home / 5,271.46-7,274.52-2,913.76

Finding the Fourth Proportional to 5,271.46, 7,274.52 and 2,913.76

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Solution

The fourth proportional to 5,271.46, 7,274.52 and 2,913.76 is: 4,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.46 : 7,274.52 = 2,913.76 : x
  2. Step 2: Convert to fraction form
    5,271.46/7,274.52 = 2,913.76/x
  3. Step 3: Cross multiply
    5,271.46x = 7,274.52 × 2,913.76
  4. Step 4: Simplify right side
    5,271.46x = 21,196,205.40
  5. Step 5: Solve for x
    x = 21,196,205.40/5,271.46
  6. Step 6: Final answer
    x = 4,020.94

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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.