Home / 3,020.48-4,529.61-1,045.61

Finding the Fourth Proportional to 3,020.48, 4,529.61 and 1,045.61

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Solution

The fourth proportional to 3,020.48, 4,529.61 and 1,045.61 is: 1,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.48 : 4,529.61 = 1,045.61 : x
  2. Step 2: Convert to fraction form
    3,020.48/4,529.61 = 1,045.61/x
  3. Step 3: Cross multiply
    3,020.48x = 4,529.61 × 1,045.61
  4. Step 4: Simplify right side
    3,020.48x = 4,736,205.51
  5. Step 5: Solve for x
    x = 4,736,205.51/3,020.48
  6. Step 6: Final answer
    x = 1,568.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.