Home / 4,253.72-5,870.27-2,485.28

Finding the Fourth Proportional to 4,253.72, 5,870.27 and 2,485.28

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Solution

The fourth proportional to 4,253.72, 5,870.27 and 2,485.28 is: 3,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.72 : 5,870.27 = 2,485.28 : x
  2. Step 2: Convert to fraction form
    4,253.72/5,870.27 = 2,485.28/x
  3. Step 3: Cross multiply
    4,253.72x = 5,870.27 × 2,485.28
  4. Step 4: Simplify right side
    4,253.72x = 14,589,285.51
  5. Step 5: Solve for x
    x = 14,589,285.51/4,253.72
  6. Step 6: Final answer
    x = 3,429.78

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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.