Home / 5,657.85-8,479.08-2,374.11

Finding the Fourth Proportional to 5,657.85, 8,479.08 and 2,374.11

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Solution

The fourth proportional to 5,657.85, 8,479.08 and 2,374.11 is: 3,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.85 : 8,479.08 = 2,374.11 : x
  2. Step 2: Convert to fraction form
    5,657.85/8,479.08 = 2,374.11/x
  3. Step 3: Cross multiply
    5,657.85x = 8,479.08 × 2,374.11
  4. Step 4: Simplify right side
    5,657.85x = 20,130,268.62
  5. Step 5: Solve for x
    x = 20,130,268.62/5,657.85
  6. Step 6: Final answer
    x = 3,557.94

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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.