Home / 4,782.24-7,172.64-2,316.48

Finding the Fourth Proportional to 4,782.24, 7,172.64 and 2,316.48

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Solution

The fourth proportional to 4,782.24, 7,172.64 and 2,316.48 is: 3,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.24 : 7,172.64 = 2,316.48 : x
  2. Step 2: Convert to fraction form
    4,782.24/7,172.64 = 2,316.48/x
  3. Step 3: Cross multiply
    4,782.24x = 7,172.64 × 2,316.48
  4. Step 4: Simplify right side
    4,782.24x = 16,615,277.11
  5. Step 5: Solve for x
    x = 16,615,277.11/4,782.24
  6. Step 6: Final answer
    x = 3,474.37

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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.