Home / 2,769.18-3,814.47-2,587.74

Finding the Fourth Proportional to 2,769.18, 3,814.47 and 2,587.74

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Solution

The fourth proportional to 2,769.18, 3,814.47 and 2,587.74 is: 3,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.18 : 3,814.47 = 2,587.74 : x
  2. Step 2: Convert to fraction form
    2,769.18/3,814.47 = 2,587.74/x
  3. Step 3: Cross multiply
    2,769.18x = 3,814.47 × 2,587.74
  4. Step 4: Simplify right side
    2,769.18x = 9,870,856.60
  5. Step 5: Solve for x
    x = 9,870,856.60/2,769.18
  6. Step 6: Final answer
    x = 3,564.54

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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.