Home / 4,454.87-6,683.93-2,115.59

Finding the Fourth Proportional to 4,454.87, 6,683.93 and 2,115.59

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Solution

The fourth proportional to 4,454.87, 6,683.93 and 2,115.59 is: 3,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.87 : 6,683.93 = 2,115.59 : x
  2. Step 2: Convert to fraction form
    4,454.87/6,683.93 = 2,115.59/x
  3. Step 3: Cross multiply
    4,454.87x = 6,683.93 × 2,115.59
  4. Step 4: Simplify right side
    4,454.87x = 14,140,444.89
  5. Step 5: Solve for x
    x = 14,140,444.89/4,454.87
  6. Step 6: Final answer
    x = 3,174.15

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1.5x scale

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.