Home / 5,811.48-8,717.76-2,114.10

Finding the Fourth Proportional to 5,811.48, 8,717.76 and 2,114.10

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Solution

The fourth proportional to 5,811.48, 8,717.76 and 2,114.10 is: 3,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.48 : 8,717.76 = 2,114.10 : x
  2. Step 2: Convert to fraction form
    5,811.48/8,717.76 = 2,114.10/x
  3. Step 3: Cross multiply
    5,811.48x = 8,717.76 × 2,114.10
  4. Step 4: Simplify right side
    5,811.48x = 18,430,216.42
  5. Step 5: Solve for x
    x = 18,430,216.42/5,811.48
  6. Step 6: Final answer
    x = 3,171.35

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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.