Home / 4,822.80-6,656.72-3,148.36

Finding the Fourth Proportional to 4,822.80, 6,656.72 and 3,148.36

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Solution

The fourth proportional to 4,822.80, 6,656.72 and 3,148.36 is: 4,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.80 : 6,656.72 = 3,148.36 : x
  2. Step 2: Convert to fraction form
    4,822.80/6,656.72 = 3,148.36/x
  3. Step 3: Cross multiply
    4,822.80x = 6,656.72 × 3,148.36
  4. Step 4: Simplify right side
    4,822.80x = 20,957,750.98
  5. Step 5: Solve for x
    x = 20,957,750.98/4,822.80
  6. Step 6: Final answer
    x = 4,345.56

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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.