Home / 3,001.65-4,142.14-1,675.36

Finding the Fourth Proportional to 3,001.65, 4,142.14 and 1,675.36

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Solution

The fourth proportional to 3,001.65, 4,142.14 and 1,675.36 is: 2,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.65 : 4,142.14 = 1,675.36 : x
  2. Step 2: Convert to fraction form
    3,001.65/4,142.14 = 1,675.36/x
  3. Step 3: Cross multiply
    3,001.65x = 4,142.14 × 1,675.36
  4. Step 4: Simplify right side
    3,001.65x = 6,939,575.67
  5. Step 5: Solve for x
    x = 6,939,575.67/3,001.65
  6. Step 6: Final answer
    x = 2,311.92

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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.