Home / 5,768.71-7,960.55-3,534.32

Finding the Fourth Proportional to 5,768.71, 7,960.55 and 3,534.32

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Solution

The fourth proportional to 5,768.71, 7,960.55 and 3,534.32 is: 4,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.71 : 7,960.55 = 3,534.32 : x
  2. Step 2: Convert to fraction form
    5,768.71/7,960.55 = 3,534.32/x
  3. Step 3: Cross multiply
    5,768.71x = 7,960.55 × 3,534.32
  4. Step 4: Simplify right side
    5,768.71x = 28,135,133.31
  5. Step 5: Solve for x
    x = 28,135,133.31/5,768.71
  6. Step 6: Final answer
    x = 4,877.20

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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.