Home / 3,492.40-4,818.15-1,999.52

Finding the Fourth Proportional to 3,492.40, 4,818.15 and 1,999.52

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Solution

The fourth proportional to 3,492.40, 4,818.15 and 1,999.52 is: 2,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.40 : 4,818.15 = 1,999.52 : x
  2. Step 2: Convert to fraction form
    3,492.40/4,818.15 = 1,999.52/x
  3. Step 3: Cross multiply
    3,492.40x = 4,818.15 × 1,999.52
  4. Step 4: Simplify right side
    3,492.40x = 9,633,987.29
  5. Step 5: Solve for x
    x = 9,633,987.29/3,492.40
  6. Step 6: Final answer
    x = 2,758.56

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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.