Home / 2,005.19-3,000.50-1,655.27

Finding the Fourth Proportional to 2,005.19, 3,000.50 and 1,655.27

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Solution

The fourth proportional to 2,005.19, 3,000.50 and 1,655.27 is: 2,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.19 : 3,000.50 = 1,655.27 : x
  2. Step 2: Convert to fraction form
    2,005.19/3,000.50 = 1,655.27/x
  3. Step 3: Cross multiply
    2,005.19x = 3,000.50 × 1,655.27
  4. Step 4: Simplify right side
    2,005.19x = 4,966,629.36
  5. Step 5: Solve for x
    x = 4,966,629.36/2,005.19
  6. Step 6: Final answer
    x = 2,476.89

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1.5x scale

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.