Home / 5,915.60-8,874.48-2,021.12

Finding the Fourth Proportional to 5,915.60, 8,874.48 and 2,021.12

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Solution

The fourth proportional to 5,915.60, 8,874.48 and 2,021.12 is: 3,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.60 : 8,874.48 = 2,021.12 : x
  2. Step 2: Convert to fraction form
    5,915.60/8,874.48 = 2,021.12/x
  3. Step 3: Cross multiply
    5,915.60x = 8,874.48 × 2,021.12
  4. Step 4: Simplify right side
    5,915.60x = 17,936,389.02
  5. Step 5: Solve for x
    x = 17,936,389.02/5,915.60
  6. Step 6: Final answer
    x = 3,032.05

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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.