Home / 2,648.18-3,653.76-1,653.62

Finding the Fourth Proportional to 2,648.18, 3,653.76 and 1,653.62

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Solution

The fourth proportional to 2,648.18, 3,653.76 and 1,653.62 is: 2,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.18 : 3,653.76 = 1,653.62 : x
  2. Step 2: Convert to fraction form
    2,648.18/3,653.76 = 1,653.62/x
  3. Step 3: Cross multiply
    2,648.18x = 3,653.76 × 1,653.62
  4. Step 4: Simplify right side
    2,648.18x = 6,041,912.34
  5. Step 5: Solve for x
    x = 6,041,912.34/2,648.18
  6. Step 6: Final answer
    x = 2,281.54

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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.