Home / 5,209.08-7,809.24-2,434.29

Finding the Fourth Proportional to 5,209.08, 7,809.24 and 2,434.29

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Solution

The fourth proportional to 5,209.08, 7,809.24 and 2,434.29 is: 3,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.08 : 7,809.24 = 2,434.29 : x
  2. Step 2: Convert to fraction form
    5,209.08/7,809.24 = 2,434.29/x
  3. Step 3: Cross multiply
    5,209.08x = 7,809.24 × 2,434.29
  4. Step 4: Simplify right side
    5,209.08x = 19,009,954.84
  5. Step 5: Solve for x
    x = 19,009,954.84/5,209.08
  6. Step 6: Final answer
    x = 3,649.39

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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.