Home / 5,810.22-8,018.13-3,420.32

Finding the Fourth Proportional to 5,810.22, 8,018.13 and 3,420.32

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Solution

The fourth proportional to 5,810.22, 8,018.13 and 3,420.32 is: 4,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.22 : 8,018.13 = 3,420.32 : x
  2. Step 2: Convert to fraction form
    5,810.22/8,018.13 = 3,420.32/x
  3. Step 3: Cross multiply
    5,810.22x = 8,018.13 × 3,420.32
  4. Step 4: Simplify right side
    5,810.22x = 27,424,530.31
  5. Step 5: Solve for x
    x = 27,424,530.31/5,810.22
  6. Step 6: Final answer
    x = 4,720.05

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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.