Home / 5,915.61-8,160.48-4,797.81

Finding the Fourth Proportional to 5,915.61, 8,160.48 and 4,797.81

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Solution

The fourth proportional to 5,915.61, 8,160.48 and 4,797.81 is: 6,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.61 : 8,160.48 = 4,797.81 : x
  2. Step 2: Convert to fraction form
    5,915.61/8,160.48 = 4,797.81/x
  3. Step 3: Cross multiply
    5,915.61x = 8,160.48 × 4,797.81
  4. Step 4: Simplify right side
    5,915.61x = 39,152,432.55
  5. Step 5: Solve for x
    x = 39,152,432.55/5,915.61
  6. Step 6: Final answer
    x = 6,618.49

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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.