Home / 3,554.89-4,905.76-1,961.59

Finding the Fourth Proportional to 3,554.89, 4,905.76 and 1,961.59

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Solution

The fourth proportional to 3,554.89, 4,905.76 and 1,961.59 is: 2,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.89 : 4,905.76 = 1,961.59 : x
  2. Step 2: Convert to fraction form
    3,554.89/4,905.76 = 1,961.59/x
  3. Step 3: Cross multiply
    3,554.89x = 4,905.76 × 1,961.59
  4. Step 4: Simplify right side
    3,554.89x = 9,623,089.76
  5. Step 5: Solve for x
    x = 9,623,089.76/3,554.89
  6. Step 6: Final answer
    x = 2,707.00

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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.