Home / 4,964.40-7,446.60-4,915.80

Finding the Fourth Proportional to 4,964.40, 7,446.60 and 4,915.80

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Solution

The fourth proportional to 4,964.40, 7,446.60 and 4,915.80 is: 7,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.40 : 7,446.60 = 4,915.80 : x
  2. Step 2: Convert to fraction form
    4,964.40/7,446.60 = 4,915.80/x
  3. Step 3: Cross multiply
    4,964.40x = 7,446.60 × 4,915.80
  4. Step 4: Simplify right side
    4,964.40x = 36,605,996.28
  5. Step 5: Solve for x
    x = 36,605,996.28/4,964.40
  6. Step 6: Final answer
    x = 7,373.70

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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.