Home / 5,374.08-7,415.28-3,510

Finding the Fourth Proportional to 5,374.08, 7,415.28 and 3,510

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Solution

The fourth proportional to 5,374.08, 7,415.28 and 3,510 is: 4,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.08 : 7,415.28 = 3,510 : x
  2. Step 2: Convert to fraction form
    5,374.08/7,415.28 = 3,510/x
  3. Step 3: Cross multiply
    5,374.08x = 7,415.28 × 3,510
  4. Step 4: Simplify right side
    5,374.08x = 26,027,632.80
  5. Step 5: Solve for x
    x = 26,027,632.80/5,374.08
  6. Step 6: Final answer
    x = 4,843.18

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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.