Home / 4,913.02-7,369.24-1,215.22

Finding the Fourth Proportional to 4,913.02, 7,369.24 and 1,215.22

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Solution

The fourth proportional to 4,913.02, 7,369.24 and 1,215.22 is: 1,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.02 : 7,369.24 = 1,215.22 : x
  2. Step 2: Convert to fraction form
    4,913.02/7,369.24 = 1,215.22/x
  3. Step 3: Cross multiply
    4,913.02x = 7,369.24 × 1,215.22
  4. Step 4: Simplify right side
    4,913.02x = 8,955,247.83
  5. Step 5: Solve for x
    x = 8,955,247.83/4,913.02
  6. Step 6: Final answer
    x = 1,822.76

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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.