Home / 2,330.71-3,213.17-1,666.41

Finding the Fourth Proportional to 2,330.71, 3,213.17 and 1,666.41

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Solution

The fourth proportional to 2,330.71, 3,213.17 and 1,666.41 is: 2,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.71 : 3,213.17 = 1,666.41 : x
  2. Step 2: Convert to fraction form
    2,330.71/3,213.17 = 1,666.41/x
  3. Step 3: Cross multiply
    2,330.71x = 3,213.17 × 1,666.41
  4. Step 4: Simplify right side
    2,330.71x = 5,354,444.49
  5. Step 5: Solve for x
    x = 5,354,444.49/2,330.71
  6. Step 6: Final answer
    x = 2,297.35

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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.