Home / 3,492.52-4,818.31-1,999.64

Finding the Fourth Proportional to 3,492.52, 4,818.31 and 1,999.64

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Solution

The fourth proportional to 3,492.52, 4,818.31 and 1,999.64 is: 2,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.52 : 4,818.31 = 1,999.64 : x
  2. Step 2: Convert to fraction form
    3,492.52/4,818.31 = 1,999.64/x
  3. Step 3: Cross multiply
    3,492.52x = 4,818.31 × 1,999.64
  4. Step 4: Simplify right side
    3,492.52x = 9,634,892.46
  5. Step 5: Solve for x
    x = 9,634,892.46/3,492.52
  6. Step 6: Final answer
    x = 2,758.72

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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.