Home / 5,854.17-8,782.11-2,156.10

Finding the Fourth Proportional to 5,854.17, 8,782.11 and 2,156.10

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Solution

The fourth proportional to 5,854.17, 8,782.11 and 2,156.10 is: 3,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.17 : 8,782.11 = 2,156.10 : x
  2. Step 2: Convert to fraction form
    5,854.17/8,782.11 = 2,156.10/x
  3. Step 3: Cross multiply
    5,854.17x = 8,782.11 × 2,156.10
  4. Step 4: Simplify right side
    5,854.17x = 18,935,107.37
  5. Step 5: Solve for x
    x = 18,935,107.37/5,854.17
  6. Step 6: Final answer
    x = 3,234.46

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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.