Home / 7,308.02-10,954.32-3,147.05

Finding the Fourth Proportional to 7,308.02, 10,954.32 and 3,147.05

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Solution

The fourth proportional to 7,308.02, 10,954.32 and 3,147.05 is: 4,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.02 : 10,954.32 = 3,147.05 : x
  2. Step 2: Convert to fraction form
    7,308.02/10,954.32 = 3,147.05/x
  3. Step 3: Cross multiply
    7,308.02x = 10,954.32 × 3,147.05
  4. Step 4: Simplify right side
    7,308.02x = 34,473,737.98
  5. Step 5: Solve for x
    x = 34,473,737.98/7,308.02
  6. Step 6: Final answer
    x = 4,717.25

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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.