Home / 3,095.33-4,271.46-1,678.95

Finding the Fourth Proportional to 3,095.33, 4,271.46 and 1,678.95

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Solution

The fourth proportional to 3,095.33, 4,271.46 and 1,678.95 is: 2,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.33 : 4,271.46 = 1,678.95 : x
  2. Step 2: Convert to fraction form
    3,095.33/4,271.46 = 1,678.95/x
  3. Step 3: Cross multiply
    3,095.33x = 4,271.46 × 1,678.95
  4. Step 4: Simplify right side
    3,095.33x = 7,171,567.77
  5. Step 5: Solve for x
    x = 7,171,567.77/3,095.33
  6. Step 6: Final answer
    x = 2,316.90

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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.