Home / 3,097.89-4,275.05-1,771.58

Finding the Fourth Proportional to 3,097.89, 4,275.05 and 1,771.58

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Solution

The fourth proportional to 3,097.89, 4,275.05 and 1,771.58 is: 2,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.89 : 4,275.05 = 1,771.58 : x
  2. Step 2: Convert to fraction form
    3,097.89/4,275.05 = 1,771.58/x
  3. Step 3: Cross multiply
    3,097.89x = 4,275.05 × 1,771.58
  4. Step 4: Simplify right side
    3,097.89x = 7,573,594.91
  5. Step 5: Solve for x
    x = 7,573,594.91/3,097.89
  6. Step 6: Final answer
    x = 2,444.76

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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.