Home / 5,558.84-7,671.40-3,040.79

Finding the Fourth Proportional to 5,558.84, 7,671.40 and 3,040.79

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Solution

The fourth proportional to 5,558.84, 7,671.40 and 3,040.79 is: 4,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.84 : 7,671.40 = 3,040.79 : x
  2. Step 2: Convert to fraction form
    5,558.84/7,671.40 = 3,040.79/x
  3. Step 3: Cross multiply
    5,558.84x = 7,671.40 × 3,040.79
  4. Step 4: Simplify right side
    5,558.84x = 23,327,127.98
  5. Step 5: Solve for x
    x = 23,327,127.98/5,558.84
  6. Step 6: Final answer
    x = 4,196.41

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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.