Home / 9,175.20-13,762.80-2,601.60

Finding the Fourth Proportional to 9,175.20, 13,762.80 and 2,601.60

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Solution

The fourth proportional to 9,175.20, 13,762.80 and 2,601.60 is: 3,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.20 : 13,762.80 = 2,601.60 : x
  2. Step 2: Convert to fraction form
    9,175.20/13,762.80 = 2,601.60/x
  3. Step 3: Cross multiply
    9,175.20x = 13,762.80 × 2,601.60
  4. Step 4: Simplify right side
    9,175.20x = 35,805,300.48
  5. Step 5: Solve for x
    x = 35,805,300.48/9,175.20
  6. Step 6: Final answer
    x = 3,902.40

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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.