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Finding the Fourth Proportional to 2,589.64, 3,574.02 and 1,541.68

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Solution

The fourth proportional to 2,589.64, 3,574.02 and 1,541.68 is: 2,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.64 : 3,574.02 = 1,541.68 : x
  2. Step 2: Convert to fraction form
    2,589.64/3,574.02 = 1,541.68/x
  3. Step 3: Cross multiply
    2,589.64x = 3,574.02 × 1,541.68
  4. Step 4: Simplify right side
    2,589.64x = 5,509,995.15
  5. Step 5: Solve for x
    x = 5,509,995.15/2,589.64
  6. Step 6: Final answer
    x = 2,127.71

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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.