Home / 3,048.25-4,574.67-1,587.28

Finding the Fourth Proportional to 3,048.25, 4,574.67 and 1,587.28

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Solution

The fourth proportional to 3,048.25, 4,574.67 and 1,587.28 is: 2,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.25 : 4,574.67 = 1,587.28 : x
  2. Step 2: Convert to fraction form
    3,048.25/4,574.67 = 1,587.28/x
  3. Step 3: Cross multiply
    3,048.25x = 4,574.67 × 1,587.28
  4. Step 4: Simplify right side
    3,048.25x = 7,261,282.20
  5. Step 5: Solve for x
    x = 7,261,282.20/3,048.25
  6. Step 6: Final answer
    x = 2,382.12

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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.