Home / 3,567.44-4,921.40-2,308.90

Finding the Fourth Proportional to 3,567.44, 4,921.40 and 2,308.90

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Solution

The fourth proportional to 3,567.44, 4,921.40 and 2,308.90 is: 3,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.44 : 4,921.40 = 2,308.90 : x
  2. Step 2: Convert to fraction form
    3,567.44/4,921.40 = 2,308.90/x
  3. Step 3: Cross multiply
    3,567.44x = 4,921.40 × 2,308.90
  4. Step 4: Simplify right side
    3,567.44x = 11,363,020.46
  5. Step 5: Solve for x
    x = 11,363,020.46/3,567.44
  6. Step 6: Final answer
    x = 3,185.20

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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.