Home / 5,756.70-8,635.05-3,132.30

Finding the Fourth Proportional to 5,756.70, 8,635.05 and 3,132.30

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Solution

The fourth proportional to 5,756.70, 8,635.05 and 3,132.30 is: 4,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756.70 : 8,635.05 = 3,132.30 : x
  2. Step 2: Convert to fraction form
    5,756.70/8,635.05 = 3,132.30/x
  3. Step 3: Cross multiply
    5,756.70x = 8,635.05 × 3,132.30
  4. Step 4: Simplify right side
    5,756.70x = 27,047,567.12
  5. Step 5: Solve for x
    x = 27,047,567.12/5,756.70
  6. Step 6: Final answer
    x = 4,698.45

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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.