Home / 4,816.24-6,643.80-3,159.92

Finding the Fourth Proportional to 4,816.24, 6,643.80 and 3,159.92

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Solution

The fourth proportional to 4,816.24, 6,643.80 and 3,159.92 is: 4,358.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816.24 : 6,643.80 = 3,159.92 : x
  2. Step 2: Convert to fraction form
    4,816.24/6,643.80 = 3,159.92/x
  3. Step 3: Cross multiply
    4,816.24x = 6,643.80 × 3,159.92
  4. Step 4: Simplify right side
    4,816.24x = 20,993,876.50
  5. Step 5: Solve for x
    x = 20,993,876.50/4,816.24
  6. Step 6: Final answer
    x = 4,358.98

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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.