Home / 5,276.02-7,913.72-2,678.88

Finding the Fourth Proportional to 5,276.02, 7,913.72 and 2,678.88

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Solution

The fourth proportional to 5,276.02, 7,913.72 and 2,678.88 is: 4,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.02 : 7,913.72 = 2,678.88 : x
  2. Step 2: Convert to fraction form
    5,276.02/7,913.72 = 2,678.88/x
  3. Step 3: Cross multiply
    5,276.02x = 7,913.72 × 2,678.88
  4. Step 4: Simplify right side
    5,276.02x = 21,199,906.23
  5. Step 5: Solve for x
    x = 21,199,906.23/5,276.02
  6. Step 6: Final answer
    x = 4,018.16

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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.