Home / 5,645.70-8,452.35-4,997.70

Finding the Fourth Proportional to 5,645.70, 8,452.35 and 4,997.70

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Solution

The fourth proportional to 5,645.70, 8,452.35 and 4,997.70 is: 7,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.70 : 8,452.35 = 4,997.70 : x
  2. Step 2: Convert to fraction form
    5,645.70/8,452.35 = 4,997.70/x
  3. Step 3: Cross multiply
    5,645.70x = 8,452.35 × 4,997.70
  4. Step 4: Simplify right side
    5,645.70x = 42,242,309.60
  5. Step 5: Solve for x
    x = 42,242,309.60/5,645.70
  6. Step 6: Final answer
    x = 7,482.21

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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.