Home / 3,217.03-4,798.50-2,921.74

Finding the Fourth Proportional to 3,217.03, 4,798.50 and 2,921.74

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Solution

The fourth proportional to 3,217.03, 4,798.50 and 2,921.74 is: 4,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.03 : 4,798.50 = 2,921.74 : x
  2. Step 2: Convert to fraction form
    3,217.03/4,798.50 = 2,921.74/x
  3. Step 3: Cross multiply
    3,217.03x = 4,798.50 × 2,921.74
  4. Step 4: Simplify right side
    3,217.03x = 14,019,969.39
  5. Step 5: Solve for x
    x = 14,019,969.39/3,217.03
  6. Step 6: Final answer
    x = 4,358.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.