Home / 4,695.20-7,044.60-4,621.40

Finding the Fourth Proportional to 4,695.20, 7,044.60 and 4,621.40

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Solution

The fourth proportional to 4,695.20, 7,044.60 and 4,621.40 is: 6,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.20 : 7,044.60 = 4,621.40 : x
  2. Step 2: Convert to fraction form
    4,695.20/7,044.60 = 4,621.40/x
  3. Step 3: Cross multiply
    4,695.20x = 7,044.60 × 4,621.40
  4. Step 4: Simplify right side
    4,695.20x = 32,555,914.44
  5. Step 5: Solve for x
    x = 32,555,914.44/4,695.20
  6. Step 6: Final answer
    x = 6,933.87

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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.