Home / 3,177.67-4,384.98-1,866.88

Finding the Fourth Proportional to 3,177.67, 4,384.98 and 1,866.88

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Solution

The fourth proportional to 3,177.67, 4,384.98 and 1,866.88 is: 2,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.67 : 4,384.98 = 1,866.88 : x
  2. Step 2: Convert to fraction form
    3,177.67/4,384.98 = 1,866.88/x
  3. Step 3: Cross multiply
    3,177.67x = 4,384.98 × 1,866.88
  4. Step 4: Simplify right side
    3,177.67x = 8,186,231.46
  5. Step 5: Solve for x
    x = 8,186,231.46/3,177.67
  6. Step 6: Final answer
    x = 2,576.17

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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.