Home / 4,915.80-7,373.70-3,360.60

Finding the Fourth Proportional to 4,915.80, 7,373.70 and 3,360.60

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Solution

The fourth proportional to 4,915.80, 7,373.70 and 3,360.60 is: 5,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.80 : 7,373.70 = 3,360.60 : x
  2. Step 2: Convert to fraction form
    4,915.80/7,373.70 = 3,360.60/x
  3. Step 3: Cross multiply
    4,915.80x = 7,373.70 × 3,360.60
  4. Step 4: Simplify right side
    4,915.80x = 24,780,056.22
  5. Step 5: Solve for x
    x = 24,780,056.22/4,915.80
  6. Step 6: Final answer
    x = 5,040.90

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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.