Home / 5,498.69-7,588.21-2,980.79

Finding the Fourth Proportional to 5,498.69, 7,588.21 and 2,980.79

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Solution

The fourth proportional to 5,498.69, 7,588.21 and 2,980.79 is: 4,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.69 : 7,588.21 = 2,980.79 : x
  2. Step 2: Convert to fraction form
    5,498.69/7,588.21 = 2,980.79/x
  3. Step 3: Cross multiply
    5,498.69x = 7,588.21 × 2,980.79
  4. Step 4: Simplify right side
    5,498.69x = 22,618,872.00
  5. Step 5: Solve for x
    x = 22,618,872.00/5,498.69
  6. Step 6: Final answer
    x = 4,113.50

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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.