Home / 3,674.40-5,070.48-2,182.96

Finding the Fourth Proportional to 3,674.40, 5,070.48 and 2,182.96

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Solution

The fourth proportional to 3,674.40, 5,070.48 and 2,182.96 is: 3,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.40 : 5,070.48 = 2,182.96 : x
  2. Step 2: Convert to fraction form
    3,674.40/5,070.48 = 2,182.96/x
  3. Step 3: Cross multiply
    3,674.40x = 5,070.48 × 2,182.96
  4. Step 4: Simplify right side
    3,674.40x = 11,068,655.02
  5. Step 5: Solve for x
    x = 11,068,655.02/3,674.40
  6. Step 6: Final answer
    x = 3,012.37

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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.