Home / 5,826.30-8,040.32-3,173.76

Finding the Fourth Proportional to 5,826.30, 8,040.32 and 3,173.76

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Solution

The fourth proportional to 5,826.30, 8,040.32 and 3,173.76 is: 4,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.30 : 8,040.32 = 3,173.76 : x
  2. Step 2: Convert to fraction form
    5,826.30/8,040.32 = 3,173.76/x
  3. Step 3: Cross multiply
    5,826.30x = 8,040.32 × 3,173.76
  4. Step 4: Simplify right side
    5,826.30x = 25,518,030.13
  5. Step 5: Solve for x
    x = 25,518,030.13/5,826.30
  6. Step 6: Final answer
    x = 4,379.80

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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.