Home / 5,915.48-8,160.18-3,676.60

Finding the Fourth Proportional to 5,915.48, 8,160.18 and 3,676.60

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Solution

The fourth proportional to 5,915.48, 8,160.18 and 3,676.60 is: 5,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.48 : 8,160.18 = 3,676.60 : x
  2. Step 2: Convert to fraction form
    5,915.48/8,160.18 = 3,676.60/x
  3. Step 3: Cross multiply
    5,915.48x = 8,160.18 × 3,676.60
  4. Step 4: Simplify right side
    5,915.48x = 30,001,717.79
  5. Step 5: Solve for x
    x = 30,001,717.79/5,915.48
  6. Step 6: Final answer
    x = 5,071.73

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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.