Home / 4,931.83-7,393.35-1,811.12

Finding the Fourth Proportional to 4,931.83, 7,393.35 and 1,811.12

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Solution

The fourth proportional to 4,931.83, 7,393.35 and 1,811.12 is: 2,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.83 : 7,393.35 = 1,811.12 : x
  2. Step 2: Convert to fraction form
    4,931.83/7,393.35 = 1,811.12/x
  3. Step 3: Cross multiply
    4,931.83x = 7,393.35 × 1,811.12
  4. Step 4: Simplify right side
    4,931.83x = 13,390,235.00
  5. Step 5: Solve for x
    x = 13,390,235.00/4,931.83
  6. Step 6: Final answer
    x = 2,715.06

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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.