Home / 5,820.78-8,030.18-4,556.76

Finding the Fourth Proportional to 5,820.78, 8,030.18 and 4,556.76

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Solution

The fourth proportional to 5,820.78, 8,030.18 and 4,556.76 is: 6,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.78 : 8,030.18 = 4,556.76 : x
  2. Step 2: Convert to fraction form
    5,820.78/8,030.18 = 4,556.76/x
  3. Step 3: Cross multiply
    5,820.78x = 8,030.18 × 4,556.76
  4. Step 4: Simplify right side
    5,820.78x = 36,591,580.23
  5. Step 5: Solve for x
    x = 36,591,580.23/5,820.78
  6. Step 6: Final answer
    x = 6,286.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.