Home / 5,315.36-7,338.11-4,754.48

Finding the Fourth Proportional to 5,315.36, 7,338.11 and 4,754.48

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Solution

The fourth proportional to 5,315.36, 7,338.11 and 4,754.48 is: 6,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.36 : 7,338.11 = 4,754.48 : x
  2. Step 2: Convert to fraction form
    5,315.36/7,338.11 = 4,754.48/x
  3. Step 3: Cross multiply
    5,315.36x = 7,338.11 × 4,754.48
  4. Step 4: Simplify right side
    5,315.36x = 34,888,836.77
  5. Step 5: Solve for x
    x = 34,888,836.77/5,315.36
  6. Step 6: Final answer
    x = 6,563.78

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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.