Home / 4,811.56-7,215.80-2,038.12

Finding the Fourth Proportional to 4,811.56, 7,215.80 and 2,038.12

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Solution

The fourth proportional to 4,811.56, 7,215.80 and 2,038.12 is: 3,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.56 : 7,215.80 = 2,038.12 : x
  2. Step 2: Convert to fraction form
    4,811.56/7,215.80 = 2,038.12/x
  3. Step 3: Cross multiply
    4,811.56x = 7,215.80 × 2,038.12
  4. Step 4: Simplify right side
    4,811.56x = 14,706,666.30
  5. Step 5: Solve for x
    x = 14,706,666.30/4,811.56
  6. Step 6: Final answer
    x = 3,056.53

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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.