Home / 5,277.46-7,879.88-4,656.28

Finding the Fourth Proportional to 5,277.46, 7,879.88 and 4,656.28

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Solution

The fourth proportional to 5,277.46, 7,879.88 and 4,656.28 is: 6,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.46 : 7,879.88 = 4,656.28 : x
  2. Step 2: Convert to fraction form
    5,277.46/7,879.88 = 4,656.28/x
  3. Step 3: Cross multiply
    5,277.46x = 7,879.88 × 4,656.28
  4. Step 4: Simplify right side
    5,277.46x = 36,690,927.65
  5. Step 5: Solve for x
    x = 36,690,927.65/5,277.46
  6. Step 6: Final answer
    x = 6,952.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.