Home / 2,666.32-3,681.83-1,673.30

Finding the Fourth Proportional to 2,666.32, 3,681.83 and 1,673.30

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Solution

The fourth proportional to 2,666.32, 3,681.83 and 1,673.30 is: 2,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.32 : 3,681.83 = 1,673.30 : x
  2. Step 2: Convert to fraction form
    2,666.32/3,681.83 = 1,673.30/x
  3. Step 3: Cross multiply
    2,666.32x = 3,681.83 × 1,673.30
  4. Step 4: Simplify right side
    2,666.32x = 6,160,806.14
  5. Step 5: Solve for x
    x = 6,160,806.14/2,666.32
  6. Step 6: Final answer
    x = 2,310.60

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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.