Home / 4,771.36-7,157.45-1,483.77

Finding the Fourth Proportional to 4,771.36, 7,157.45 and 1,483.77

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Solution

The fourth proportional to 4,771.36, 7,157.45 and 1,483.77 is: 2,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.36 : 7,157.45 = 1,483.77 : x
  2. Step 2: Convert to fraction form
    4,771.36/7,157.45 = 1,483.77/x
  3. Step 3: Cross multiply
    4,771.36x = 7,157.45 × 1,483.77
  4. Step 4: Simplify right side
    4,771.36x = 10,620,009.59
  5. Step 5: Solve for x
    x = 10,620,009.59/4,771.36
  6. Step 6: Final answer
    x = 2,225.78

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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.