Home / 3,051.84-4,211.52-1,872.96

Finding the Fourth Proportional to 3,051.84, 4,211.52 and 1,872.96

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Solution

The fourth proportional to 3,051.84, 4,211.52 and 1,872.96 is: 2,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.84 : 4,211.52 = 1,872.96 : x
  2. Step 2: Convert to fraction form
    3,051.84/4,211.52 = 1,872.96/x
  3. Step 3: Cross multiply
    3,051.84x = 4,211.52 × 1,872.96
  4. Step 4: Simplify right side
    3,051.84x = 7,888,008.50
  5. Step 5: Solve for x
    x = 7,888,008.50/3,051.84
  6. Step 6: Final answer
    x = 2,584.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.