Home / 5,451.36-8,177.58-1,556.34

Finding the Fourth Proportional to 5,451.36, 8,177.58 and 1,556.34

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Solution

The fourth proportional to 5,451.36, 8,177.58 and 1,556.34 is: 2,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.36 : 8,177.58 = 1,556.34 : x
  2. Step 2: Convert to fraction form
    5,451.36/8,177.58 = 1,556.34/x
  3. Step 3: Cross multiply
    5,451.36x = 8,177.58 × 1,556.34
  4. Step 4: Simplify right side
    5,451.36x = 12,727,094.86
  5. Step 5: Solve for x
    x = 12,727,094.86/5,451.36
  6. Step 6: Final answer
    x = 2,334.66

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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.