Home / 5,271.50-7,274.04-2,913.32

Finding the Fourth Proportional to 5,271.50, 7,274.04 and 2,913.32

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Solution

The fourth proportional to 5,271.50, 7,274.04 and 2,913.32 is: 4,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.50 : 7,274.04 = 2,913.32 : x
  2. Step 2: Convert to fraction form
    5,271.50/7,274.04 = 2,913.32/x
  3. Step 3: Cross multiply
    5,271.50x = 7,274.04 × 2,913.32
  4. Step 4: Simplify right side
    5,271.50x = 21,191,606.21
  5. Step 5: Solve for x
    x = 21,191,606.21/5,271.50
  6. Step 6: Final answer
    x = 4,020.03

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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.