Home / 4,974.49-6,864.55-2,984.65

Finding the Fourth Proportional to 4,974.49, 6,864.55 and 2,984.65

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Solution

The fourth proportional to 4,974.49, 6,864.55 and 2,984.65 is: 4,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.49 : 6,864.55 = 2,984.65 : x
  2. Step 2: Convert to fraction form
    4,974.49/6,864.55 = 2,984.65/x
  3. Step 3: Cross multiply
    4,974.49x = 6,864.55 × 2,984.65
  4. Step 4: Simplify right side
    4,974.49x = 20,488,264.23
  5. Step 5: Solve for x
    x = 20,488,264.23/4,974.49
  6. Step 6: Final answer
    x = 4,118.67

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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.