Home / 4,886.52-7,329.77-1,188.75

Finding the Fourth Proportional to 4,886.52, 7,329.77 and 1,188.75

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Solution

The fourth proportional to 4,886.52, 7,329.77 and 1,188.75 is: 1,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.52 : 7,329.77 = 1,188.75 : x
  2. Step 2: Convert to fraction form
    4,886.52/7,329.77 = 1,188.75/x
  3. Step 3: Cross multiply
    4,886.52x = 7,329.77 × 1,188.75
  4. Step 4: Simplify right side
    4,886.52x = 8,713,239.57
  5. Step 5: Solve for x
    x = 8,713,239.57/4,886.52
  6. Step 6: Final answer
    x = 1,783.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.