Home / 3,001.58-4,142.36-1,675.28

Finding the Fourth Proportional to 3,001.58, 4,142.36 and 1,675.28

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Solution

The fourth proportional to 3,001.58, 4,142.36 and 1,675.28 is: 2,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.58 : 4,142.36 = 1,675.28 : x
  2. Step 2: Convert to fraction form
    3,001.58/4,142.36 = 1,675.28/x
  3. Step 3: Cross multiply
    3,001.58x = 4,142.36 × 1,675.28
  4. Step 4: Simplify right side
    3,001.58x = 6,939,583.77
  5. Step 5: Solve for x
    x = 6,939,583.77/3,001.58
  6. Step 6: Final answer
    x = 2,311.98

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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.