Home / 4,449.95-6,670.76-1,678.44

Finding the Fourth Proportional to 4,449.95, 6,670.76 and 1,678.44

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Solution

The fourth proportional to 4,449.95, 6,670.76 and 1,678.44 is: 2,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.95 : 6,670.76 = 1,678.44 : x
  2. Step 2: Convert to fraction form
    4,449.95/6,670.76 = 1,678.44/x
  3. Step 3: Cross multiply
    4,449.95x = 6,670.76 × 1,678.44
  4. Step 4: Simplify right side
    4,449.95x = 11,196,462.02
  5. Step 5: Solve for x
    x = 11,196,462.02/4,449.95
  6. Step 6: Final answer
    x = 2,516.09

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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.