Home / 5,915.95-8,155.53-4,654.82

Finding the Fourth Proportional to 5,915.95, 8,155.53 and 4,654.82

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Solution

The fourth proportional to 5,915.95, 8,155.53 and 4,654.82 is: 6,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.95 : 8,155.53 = 4,654.82 : x
  2. Step 2: Convert to fraction form
    5,915.95/8,155.53 = 4,654.82/x
  3. Step 3: Cross multiply
    5,915.95x = 8,155.53 × 4,654.82
  4. Step 4: Simplify right side
    5,915.95x = 37,962,524.15
  5. Step 5: Solve for x
    x = 37,962,524.15/5,915.95
  6. Step 6: Final answer
    x = 6,416.98

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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.