Home / 4,972.70-6,861.30-2,848.34

Finding the Fourth Proportional to 4,972.70, 6,861.30 and 2,848.34

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Solution

The fourth proportional to 4,972.70, 6,861.30 and 2,848.34 is: 3,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.70 : 6,861.30 = 2,848.34 : x
  2. Step 2: Convert to fraction form
    4,972.70/6,861.30 = 2,848.34/x
  3. Step 3: Cross multiply
    4,972.70x = 6,861.30 × 2,848.34
  4. Step 4: Simplify right side
    4,972.70x = 19,543,315.24
  5. Step 5: Solve for x
    x = 19,543,315.24/4,972.70
  6. Step 6: Final answer
    x = 3,930.12

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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.