Home / 4,731.35-6,530.22-2,742.80

Finding the Fourth Proportional to 4,731.35, 6,530.22 and 2,742.80

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Solution

The fourth proportional to 4,731.35, 6,530.22 and 2,742.80 is: 3,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.35 : 6,530.22 = 2,742.80 : x
  2. Step 2: Convert to fraction form
    4,731.35/6,530.22 = 2,742.80/x
  3. Step 3: Cross multiply
    4,731.35x = 6,530.22 × 2,742.80
  4. Step 4: Simplify right side
    4,731.35x = 17,911,054.76
  5. Step 5: Solve for x
    x = 17,911,054.76/4,731.35
  6. Step 6: Final answer
    x = 3,785.62

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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.