Home / 2,951.30-4,072.68-1,624.92

Finding the Fourth Proportional to 2,951.30, 4,072.68 and 1,624.92

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Solution

The fourth proportional to 2,951.30, 4,072.68 and 1,624.92 is: 2,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.30 : 4,072.68 = 1,624.92 : x
  2. Step 2: Convert to fraction form
    2,951.30/4,072.68 = 1,624.92/x
  3. Step 3: Cross multiply
    2,951.30x = 4,072.68 × 1,624.92
  4. Step 4: Simplify right side
    2,951.30x = 6,617,779.19
  5. Step 5: Solve for x
    x = 6,617,779.19/2,951.30
  6. Step 6: Final answer
    x = 2,242.33

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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.