Home / 3,001.86-4,142.54-1,675.69

Finding the Fourth Proportional to 3,001.86, 4,142.54 and 1,675.69

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Solution

The fourth proportional to 3,001.86, 4,142.54 and 1,675.69 is: 2,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.86 : 4,142.54 = 1,675.69 : x
  2. Step 2: Convert to fraction form
    3,001.86/4,142.54 = 1,675.69/x
  3. Step 3: Cross multiply
    3,001.86x = 4,142.54 × 1,675.69
  4. Step 4: Simplify right side
    3,001.86x = 6,941,606.69
  5. Step 5: Solve for x
    x = 6,941,606.69/3,001.86
  6. Step 6: Final answer
    x = 2,312.44

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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.