Home / 4,076.48-6,115.18-1,478.81

Finding the Fourth Proportional to 4,076.48, 6,115.18 and 1,478.81

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Solution

The fourth proportional to 4,076.48, 6,115.18 and 1,478.81 is: 2,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.48 : 6,115.18 = 1,478.81 : x
  2. Step 2: Convert to fraction form
    4,076.48/6,115.18 = 1,478.81/x
  3. Step 3: Cross multiply
    4,076.48x = 6,115.18 × 1,478.81
  4. Step 4: Simplify right side
    4,076.48x = 9,043,189.34
  5. Step 5: Solve for x
    x = 9,043,189.34/4,076.48
  6. Step 6: Final answer
    x = 2,218.38

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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.