Home / 5,416.93-8,120.53-1,953.37

Finding the Fourth Proportional to 5,416.93, 8,120.53 and 1,953.37

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Solution

The fourth proportional to 5,416.93, 8,120.53 and 1,953.37 is: 2,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.93 : 8,120.53 = 1,953.37 : x
  2. Step 2: Convert to fraction form
    5,416.93/8,120.53 = 1,953.37/x
  3. Step 3: Cross multiply
    5,416.93x = 8,120.53 × 1,953.37
  4. Step 4: Simplify right side
    5,416.93x = 15,862,399.69
  5. Step 5: Solve for x
    x = 15,862,399.69/5,416.93
  6. Step 6: Final answer
    x = 2,928.30

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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.