Home / 5,680.18-7,840.02-3,322.54

Finding the Fourth Proportional to 5,680.18, 7,840.02 and 3,322.54

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Solution

The fourth proportional to 5,680.18, 7,840.02 and 3,322.54 is: 4,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.18 : 7,840.02 = 3,322.54 : x
  2. Step 2: Convert to fraction form
    5,680.18/7,840.02 = 3,322.54/x
  3. Step 3: Cross multiply
    5,680.18x = 7,840.02 × 3,322.54
  4. Step 4: Simplify right side
    5,680.18x = 26,048,780.05
  5. Step 5: Solve for x
    x = 26,048,780.05/5,680.18
  6. Step 6: Final answer
    x = 4,585.91

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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.