Home / 4,738.02-7,107.07-1,815.63

Finding the Fourth Proportional to 4,738.02, 7,107.07 and 1,815.63

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Solution

The fourth proportional to 4,738.02, 7,107.07 and 1,815.63 is: 2,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.02 : 7,107.07 = 1,815.63 : x
  2. Step 2: Convert to fraction form
    4,738.02/7,107.07 = 1,815.63/x
  3. Step 3: Cross multiply
    4,738.02x = 7,107.07 × 1,815.63
  4. Step 4: Simplify right side
    4,738.02x = 12,903,809.50
  5. Step 5: Solve for x
    x = 12,903,809.50/4,738.02
  6. Step 6: Final answer
    x = 2,723.46

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Double scale
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Similar ratio
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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.