Home / 5,542.55-8,315.80-3,460.15

Finding the Fourth Proportional to 5,542.55, 8,315.80 and 3,460.15

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Solution

The fourth proportional to 5,542.55, 8,315.80 and 3,460.15 is: 5,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.55 : 8,315.80 = 3,460.15 : x
  2. Step 2: Convert to fraction form
    5,542.55/8,315.80 = 3,460.15/x
  3. Step 3: Cross multiply
    5,542.55x = 8,315.80 × 3,460.15
  4. Step 4: Simplify right side
    5,542.55x = 28,773,917.11
  5. Step 5: Solve for x
    x = 28,773,917.11/5,542.55
  6. Step 6: Final answer
    x = 5,191.46

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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.