Home / 4,374.32-6,555-1,775.12

Finding the Fourth Proportional to 4,374.32, 6,555 and 1,775.12

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Solution

The fourth proportional to 4,374.32, 6,555 and 1,775.12 is: 2,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.32 : 6,555 = 1,775.12 : x
  2. Step 2: Convert to fraction form
    4,374.32/6,555 = 1,775.12/x
  3. Step 3: Cross multiply
    4,374.32x = 6,555 × 1,775.12
  4. Step 4: Simplify right side
    4,374.32x = 11,635,911.60
  5. Step 5: Solve for x
    x = 11,635,911.60/4,374.32
  6. Step 6: Final answer
    x = 2,660.05

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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.