Home / 2,032.76-2,805.09-1,313.69

Finding the Fourth Proportional to 2,032.76, 2,805.09 and 1,313.69

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Solution

The fourth proportional to 2,032.76, 2,805.09 and 1,313.69 is: 1,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.76 : 2,805.09 = 1,313.69 : x
  2. Step 2: Convert to fraction form
    2,032.76/2,805.09 = 1,313.69/x
  3. Step 3: Cross multiply
    2,032.76x = 2,805.09 × 1,313.69
  4. Step 4: Simplify right side
    2,032.76x = 3,684,999.73
  5. Step 5: Solve for x
    x = 3,684,999.73/2,032.76
  6. Step 6: Final answer
    x = 1,812.80

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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.