Home / 4,886.24-7,329.34-1,188.47

Finding the Fourth Proportional to 4,886.24, 7,329.34 and 1,188.47

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Solution

The fourth proportional to 4,886.24, 7,329.34 and 1,188.47 is: 1,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.24 : 7,329.34 = 1,188.47 : x
  2. Step 2: Convert to fraction form
    4,886.24/7,329.34 = 1,188.47/x
  3. Step 3: Cross multiply
    4,886.24x = 7,329.34 × 1,188.47
  4. Step 4: Simplify right side
    4,886.24x = 8,710,713.83
  5. Step 5: Solve for x
    x = 8,710,713.83/4,886.24
  6. Step 6: Final answer
    x = 1,782.70

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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.