Home / 1,789.48-2,673.28-1,724.68

Finding the Fourth Proportional to 1,789.48, 2,673.28 and 1,724.68

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Solution

The fourth proportional to 1,789.48, 2,673.28 and 1,724.68 is: 2,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.48 : 2,673.28 = 1,724.68 : x
  2. Step 2: Convert to fraction form
    1,789.48/2,673.28 = 1,724.68/x
  3. Step 3: Cross multiply
    1,789.48x = 2,673.28 × 1,724.68
  4. Step 4: Simplify right side
    1,789.48x = 4,610,552.55
  5. Step 5: Solve for x
    x = 4,610,552.55/1,789.48
  6. Step 6: Final answer
    x = 2,576.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.