Home / 2,585.90-3,882.80-2,280.33

Finding the Fourth Proportional to 2,585.90, 3,882.80 and 2,280.33

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Solution

The fourth proportional to 2,585.90, 3,882.80 and 2,280.33 is: 3,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.90 : 3,882.80 = 2,280.33 : x
  2. Step 2: Convert to fraction form
    2,585.90/3,882.80 = 2,280.33/x
  3. Step 3: Cross multiply
    2,585.90x = 3,882.80 × 2,280.33
  4. Step 4: Simplify right side
    2,585.90x = 8,854,071.02
  5. Step 5: Solve for x
    x = 8,854,071.02/2,585.90
  6. Step 6: Final answer
    x = 3,423.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.