Home / 4,861.50-6,709.20-2,973.45

Finding the Fourth Proportional to 4,861.50, 6,709.20 and 2,973.45

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Solution

The fourth proportional to 4,861.50, 6,709.20 and 2,973.45 is: 4,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.50 : 6,709.20 = 2,973.45 : x
  2. Step 2: Convert to fraction form
    4,861.50/6,709.20 = 2,973.45/x
  3. Step 3: Cross multiply
    4,861.50x = 6,709.20 × 2,973.45
  4. Step 4: Simplify right side
    4,861.50x = 19,949,470.74
  5. Step 5: Solve for x
    x = 19,949,470.74/4,861.50
  6. Step 6: Final answer
    x = 4,103.56

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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.