Home / 7,184.90-10,777.05-2,187.10

Finding the Fourth Proportional to 7,184.90, 10,777.05 and 2,187.10

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Solution

The fourth proportional to 7,184.90, 10,777.05 and 2,187.10 is: 3,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.90 : 10,777.05 = 2,187.10 : x
  2. Step 2: Convert to fraction form
    7,184.90/10,777.05 = 2,187.10/x
  3. Step 3: Cross multiply
    7,184.90x = 10,777.05 × 2,187.10
  4. Step 4: Simplify right side
    7,184.90x = 23,570,499.53
  5. Step 5: Solve for x
    x = 23,570,499.53/7,184.90
  6. Step 6: Final answer
    x = 3,280.56

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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.