Home / 2,589.21-3,573.14-1,541.07

Finding the Fourth Proportional to 2,589.21, 3,573.14 and 1,541.07

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Solution

The fourth proportional to 2,589.21, 3,573.14 and 1,541.07 is: 2,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.21 : 3,573.14 = 1,541.07 : x
  2. Step 2: Convert to fraction form
    2,589.21/3,573.14 = 1,541.07/x
  3. Step 3: Cross multiply
    2,589.21x = 3,573.14 × 1,541.07
  4. Step 4: Simplify right side
    2,589.21x = 5,506,451.15
  5. Step 5: Solve for x
    x = 5,506,451.15/2,589.21
  6. Step 6: Final answer
    x = 2,126.69

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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.