Home / 3,058.58-4,220.69-1,732.30

Finding the Fourth Proportional to 3,058.58, 4,220.69 and 1,732.30

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Solution

The fourth proportional to 3,058.58, 4,220.69 and 1,732.30 is: 2,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.58 : 4,220.69 = 1,732.30 : x
  2. Step 2: Convert to fraction form
    3,058.58/4,220.69 = 1,732.30/x
  3. Step 3: Cross multiply
    3,058.58x = 4,220.69 × 1,732.30
  4. Step 4: Simplify right side
    3,058.58x = 7,311,482.07
  5. Step 5: Solve for x
    x = 7,311,482.07/3,058.58
  6. Step 6: Final answer
    x = 2,390.48

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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.