Home / 4,176.47-5,760.74-2,686.26

Finding the Fourth Proportional to 4,176.47, 5,760.74 and 2,686.26

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Solution

The fourth proportional to 4,176.47, 5,760.74 and 2,686.26 is: 3,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.47 : 5,760.74 = 2,686.26 : x
  2. Step 2: Convert to fraction form
    4,176.47/5,760.74 = 2,686.26/x
  3. Step 3: Cross multiply
    4,176.47x = 5,760.74 × 2,686.26
  4. Step 4: Simplify right side
    4,176.47x = 15,474,832.00
  5. Step 5: Solve for x
    x = 15,474,832.00/4,176.47
  6. Step 6: Final answer
    x = 3,705.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.