Home / 5,653.50-7,801.84-3,135.53

Finding the Fourth Proportional to 5,653.50, 7,801.84 and 3,135.53

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Solution

The fourth proportional to 5,653.50, 7,801.84 and 3,135.53 is: 4,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.50 : 7,801.84 = 3,135.53 : x
  2. Step 2: Convert to fraction form
    5,653.50/7,801.84 = 3,135.53/x
  3. Step 3: Cross multiply
    5,653.50x = 7,801.84 × 3,135.53
  4. Step 4: Simplify right side
    5,653.50x = 24,462,865.28
  5. Step 5: Solve for x
    x = 24,462,865.28/5,653.50
  6. Step 6: Final answer
    x = 4,327.03

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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.