Home / 4,972.35-6,861.43-2,927.92

Finding the Fourth Proportional to 4,972.35, 6,861.43 and 2,927.92

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Solution

The fourth proportional to 4,972.35, 6,861.43 and 2,927.92 is: 4,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.35 : 6,861.43 = 2,927.92 : x
  2. Step 2: Convert to fraction form
    4,972.35/6,861.43 = 2,927.92/x
  3. Step 3: Cross multiply
    4,972.35x = 6,861.43 × 2,927.92
  4. Step 4: Simplify right side
    4,972.35x = 20,089,718.13
  5. Step 5: Solve for x
    x = 20,089,718.13/4,972.35
  6. Step 6: Final answer
    x = 4,040.29

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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.