Home / 3,098.48-4,651.25-2,897.79

Finding the Fourth Proportional to 3,098.48, 4,651.25 and 2,897.79

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Solution

The fourth proportional to 3,098.48, 4,651.25 and 2,897.79 is: 4,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.48 : 4,651.25 = 2,897.79 : x
  2. Step 2: Convert to fraction form
    3,098.48/4,651.25 = 2,897.79/x
  3. Step 3: Cross multiply
    3,098.48x = 4,651.25 × 2,897.79
  4. Step 4: Simplify right side
    3,098.48x = 13,478,331.25
  5. Step 5: Solve for x
    x = 13,478,331.25/3,098.48
  6. Step 6: Final answer
    x = 4,349.99

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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.