Home / 5,374.02-8,060.82-1,478.32

Finding the Fourth Proportional to 5,374.02, 8,060.82 and 1,478.32

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Solution

The fourth proportional to 5,374.02, 8,060.82 and 1,478.32 is: 2,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.02 : 8,060.82 = 1,478.32 : x
  2. Step 2: Convert to fraction form
    5,374.02/8,060.82 = 1,478.32/x
  3. Step 3: Cross multiply
    5,374.02x = 8,060.82 × 1,478.32
  4. Step 4: Simplify right side
    5,374.02x = 11,916,471.42
  5. Step 5: Solve for x
    x = 11,916,471.42/5,374.02
  6. Step 6: Final answer
    x = 2,217.42

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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.