Home / 5,740.08-7,921.40-3,382.22

Finding the Fourth Proportional to 5,740.08, 7,921.40 and 3,382.22

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Solution

The fourth proportional to 5,740.08, 7,921.40 and 3,382.22 is: 4,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.08 : 7,921.40 = 3,382.22 : x
  2. Step 2: Convert to fraction form
    5,740.08/7,921.40 = 3,382.22/x
  3. Step 3: Cross multiply
    5,740.08x = 7,921.40 × 3,382.22
  4. Step 4: Simplify right side
    5,740.08x = 26,791,920.40
  5. Step 5: Solve for x
    x = 26,791,920.40/5,740.08
  6. Step 6: Final answer
    x = 4,667.52

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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.