Home / 2,974.45-4,457.40-1,673.17

Finding the Fourth Proportional to 2,974.45, 4,457.40 and 1,673.17

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Solution

The fourth proportional to 2,974.45, 4,457.40 and 1,673.17 is: 2,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.45 : 4,457.40 = 1,673.17 : x
  2. Step 2: Convert to fraction form
    2,974.45/4,457.40 = 1,673.17/x
  3. Step 3: Cross multiply
    2,974.45x = 4,457.40 × 1,673.17
  4. Step 4: Simplify right side
    2,974.45x = 7,457,987.96
  5. Step 5: Solve for x
    x = 7,457,987.96/2,974.45
  6. Step 6: Final answer
    x = 2,507.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.