Home / 4,309.12-6,465.32-1,999.04

Finding the Fourth Proportional to 4,309.12, 6,465.32 and 1,999.04

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Solution

The fourth proportional to 4,309.12, 6,465.32 and 1,999.04 is: 2,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.12 : 6,465.32 = 1,999.04 : x
  2. Step 2: Convert to fraction form
    4,309.12/6,465.32 = 1,999.04/x
  3. Step 3: Cross multiply
    4,309.12x = 6,465.32 × 1,999.04
  4. Step 4: Simplify right side
    4,309.12x = 12,924,433.29
  5. Step 5: Solve for x
    x = 12,924,433.29/4,309.12
  6. Step 6: Final answer
    x = 2,999.32

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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.