Home / 5,771.68-8,612.21-5,419.01

Finding the Fourth Proportional to 5,771.68, 8,612.21 and 5,419.01

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Solution

The fourth proportional to 5,771.68, 8,612.21 and 5,419.01 is: 8,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.68 : 8,612.21 = 5,419.01 : x
  2. Step 2: Convert to fraction form
    5,771.68/8,612.21 = 5,419.01/x
  3. Step 3: Cross multiply
    5,771.68x = 8,612.21 × 5,419.01
  4. Step 4: Simplify right side
    5,771.68x = 46,669,687.19
  5. Step 5: Solve for x
    x = 46,669,687.19/5,771.68
  6. Step 6: Final answer
    x = 8,085.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.