Home / 2,921.48-4,032.96-1,874.96

Finding the Fourth Proportional to 2,921.48, 4,032.96 and 1,874.96

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Solution

The fourth proportional to 2,921.48, 4,032.96 and 1,874.96 is: 2,588.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.48 : 4,032.96 = 1,874.96 : x
  2. Step 2: Convert to fraction form
    2,921.48/4,032.96 = 1,874.96/x
  3. Step 3: Cross multiply
    2,921.48x = 4,032.96 × 1,874.96
  4. Step 4: Simplify right side
    2,921.48x = 7,561,638.68
  5. Step 5: Solve for x
    x = 7,561,638.68/2,921.48
  6. Step 6: Final answer
    x = 2,588.29

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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.