Home / 5,551.01-7,660.36-3,312.98

Finding the Fourth Proportional to 5,551.01, 7,660.36 and 3,312.98

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Solution

The fourth proportional to 5,551.01, 7,660.36 and 3,312.98 is: 4,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.01 : 7,660.36 = 3,312.98 : x
  2. Step 2: Convert to fraction form
    5,551.01/7,660.36 = 3,312.98/x
  3. Step 3: Cross multiply
    5,551.01x = 7,660.36 × 3,312.98
  4. Step 4: Simplify right side
    5,551.01x = 25,378,619.47
  5. Step 5: Solve for x
    x = 25,378,619.47/5,551.01
  6. Step 6: Final answer
    x = 4,571.89

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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.