Home / 3,579.12-4,941-2,585.52

Finding the Fourth Proportional to 3,579.12, 4,941 and 2,585.52

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Solution

The fourth proportional to 3,579.12, 4,941 and 2,585.52 is: 3,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.12 : 4,941 = 2,585.52 : x
  2. Step 2: Convert to fraction form
    3,579.12/4,941 = 2,585.52/x
  3. Step 3: Cross multiply
    3,579.12x = 4,941 × 2,585.52
  4. Step 4: Simplify right side
    3,579.12x = 12,775,054.32
  5. Step 5: Solve for x
    x = 12,775,054.32/3,579.12
  6. Step 6: Final answer
    x = 3,569.33

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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.