Home / 2,589.48-3,859.23-2,585.36

Finding the Fourth Proportional to 2,589.48, 3,859.23 and 2,585.36

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Solution

The fourth proportional to 2,589.48, 3,859.23 and 2,585.36 is: 3,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.48 : 3,859.23 = 2,585.36 : x
  2. Step 2: Convert to fraction form
    2,589.48/3,859.23 = 2,585.36/x
  3. Step 3: Cross multiply
    2,589.48x = 3,859.23 × 2,585.36
  4. Step 4: Simplify right side
    2,589.48x = 9,977,518.22
  5. Step 5: Solve for x
    x = 9,977,518.22/2,589.48
  6. Step 6: Final answer
    x = 3,853.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.