Home / 3,746.79-5,171.75-2,329.64

Finding the Fourth Proportional to 3,746.79, 5,171.75 and 2,329.64

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Solution

The fourth proportional to 3,746.79, 5,171.75 and 2,329.64 is: 3,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.79 : 5,171.75 = 2,329.64 : x
  2. Step 2: Convert to fraction form
    3,746.79/5,171.75 = 2,329.64/x
  3. Step 3: Cross multiply
    3,746.79x = 5,171.75 × 2,329.64
  4. Step 4: Simplify right side
    3,746.79x = 12,048,289.81
  5. Step 5: Solve for x
    x = 12,048,289.81/3,746.79
  6. Step 6: Final answer
    x = 3,215.63

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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.