Home / 5,809.90-8,017.18-3,291.51

Finding the Fourth Proportional to 5,809.90, 8,017.18 and 3,291.51

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Solution

The fourth proportional to 5,809.90, 8,017.18 and 3,291.51 is: 4,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.90 : 8,017.18 = 3,291.51 : x
  2. Step 2: Convert to fraction form
    5,809.90/8,017.18 = 3,291.51/x
  3. Step 3: Cross multiply
    5,809.90x = 8,017.18 × 3,291.51
  4. Step 4: Simplify right side
    5,809.90x = 26,388,627.43
  5. Step 5: Solve for x
    x = 26,388,627.43/5,809.90
  6. Step 6: Final answer
    x = 4,542.01

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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.