Home / 4,472.16-6,708.24-1,185.60

Finding the Fourth Proportional to 4,472.16, 6,708.24 and 1,185.60

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Solution

The fourth proportional to 4,472.16, 6,708.24 and 1,185.60 is: 1,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.16 : 6,708.24 = 1,185.60 : x
  2. Step 2: Convert to fraction form
    4,472.16/6,708.24 = 1,185.60/x
  3. Step 3: Cross multiply
    4,472.16x = 6,708.24 × 1,185.60
  4. Step 4: Simplify right side
    4,472.16x = 7,953,289.34
  5. Step 5: Solve for x
    x = 7,953,289.34/4,472.16
  6. Step 6: Final answer
    x = 1,778.40

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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.