Home / 2,922.30-4,032.60-1,663.18

Finding the Fourth Proportional to 2,922.30, 4,032.60 and 1,663.18

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Solution

The fourth proportional to 2,922.30, 4,032.60 and 1,663.18 is: 2,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.30 : 4,032.60 = 1,663.18 : x
  2. Step 2: Convert to fraction form
    2,922.30/4,032.60 = 1,663.18/x
  3. Step 3: Cross multiply
    2,922.30x = 4,032.60 × 1,663.18
  4. Step 4: Simplify right side
    2,922.30x = 6,706,939.67
  5. Step 5: Solve for x
    x = 6,706,939.67/2,922.30
  6. Step 6: Final answer
    x = 2,295.09

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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.