Home / 5,669.58-7,821.27-3,680.46

Finding the Fourth Proportional to 5,669.58, 7,821.27 and 3,680.46

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Solution

The fourth proportional to 5,669.58, 7,821.27 and 3,680.46 is: 5,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.58 : 7,821.27 = 3,680.46 : x
  2. Step 2: Convert to fraction form
    5,669.58/7,821.27 = 3,680.46/x
  3. Step 3: Cross multiply
    5,669.58x = 7,821.27 × 3,680.46
  4. Step 4: Simplify right side
    5,669.58x = 28,785,871.38
  5. Step 5: Solve for x
    x = 28,785,871.38/5,669.58
  6. Step 6: Final answer
    x = 5,077.25

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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.