Home / 3,445.45-4,754.80-1,873.55

Finding the Fourth Proportional to 3,445.45, 4,754.80 and 1,873.55

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Solution

The fourth proportional to 3,445.45, 4,754.80 and 1,873.55 is: 2,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.45 : 4,754.80 = 1,873.55 : x
  2. Step 2: Convert to fraction form
    3,445.45/4,754.80 = 1,873.55/x
  3. Step 3: Cross multiply
    3,445.45x = 4,754.80 × 1,873.55
  4. Step 4: Simplify right side
    3,445.45x = 8,908,343.02
  5. Step 5: Solve for x
    x = 8,908,343.02/3,445.45
  6. Step 6: Final answer
    x = 2,585.54

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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.