Home / 2,600.23-3,587.25-1,890.52

Finding the Fourth Proportional to 2,600.23, 3,587.25 and 1,890.52

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Solution

The fourth proportional to 2,600.23, 3,587.25 and 1,890.52 is: 2,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.23 : 3,587.25 = 1,890.52 : x
  2. Step 2: Convert to fraction form
    2,600.23/3,587.25 = 1,890.52/x
  3. Step 3: Cross multiply
    2,600.23x = 3,587.25 × 1,890.52
  4. Step 4: Simplify right side
    2,600.23x = 6,781,749.93
  5. Step 5: Solve for x
    x = 6,781,749.93/2,600.23
  6. Step 6: Final answer
    x = 2,608.13

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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.