Home / 5,642.30-8,464.80-2,353.70

Finding the Fourth Proportional to 5,642.30, 8,464.80 and 2,353.70

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Solution

The fourth proportional to 5,642.30, 8,464.80 and 2,353.70 is: 3,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.30 : 8,464.80 = 2,353.70 : x
  2. Step 2: Convert to fraction form
    5,642.30/8,464.80 = 2,353.70/x
  3. Step 3: Cross multiply
    5,642.30x = 8,464.80 × 2,353.70
  4. Step 4: Simplify right side
    5,642.30x = 19,923,599.76
  5. Step 5: Solve for x
    x = 19,923,599.76/5,642.30
  6. Step 6: Final answer
    x = 3,531.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.