Home / 5,821.56-8,031.38-3,582.76

Finding the Fourth Proportional to 5,821.56, 8,031.38 and 3,582.76

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Solution

The fourth proportional to 5,821.56, 8,031.38 and 3,582.76 is: 4,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.56 : 8,031.38 = 3,582.76 : x
  2. Step 2: Convert to fraction form
    5,821.56/8,031.38 = 3,582.76/x
  3. Step 3: Cross multiply
    5,821.56x = 8,031.38 × 3,582.76
  4. Step 4: Simplify right side
    5,821.56x = 28,774,507.01
  5. Step 5: Solve for x
    x = 28,774,507.01/5,821.56
  6. Step 6: Final answer
    x = 4,942.75

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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.