Home / 4,454.81-6,147.86-2,686.98

Finding the Fourth Proportional to 4,454.81, 6,147.86 and 2,686.98

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Solution

The fourth proportional to 4,454.81, 6,147.86 and 2,686.98 is: 3,708.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.81 : 6,147.86 = 2,686.98 : x
  2. Step 2: Convert to fraction form
    4,454.81/6,147.86 = 2,686.98/x
  3. Step 3: Cross multiply
    4,454.81x = 6,147.86 × 2,686.98
  4. Step 4: Simplify right side
    4,454.81x = 16,519,176.86
  5. Step 5: Solve for x
    x = 16,519,176.86/4,454.81
  6. Step 6: Final answer
    x = 3,708.17

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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.