Home / 3,047.52-4,180.56-2,966.40

Finding the Fourth Proportional to 3,047.52, 4,180.56 and 2,966.40

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Solution

The fourth proportional to 3,047.52, 4,180.56 and 2,966.40 is: 4,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.52 : 4,180.56 = 2,966.40 : x
  2. Step 2: Convert to fraction form
    3,047.52/4,180.56 = 2,966.40/x
  3. Step 3: Cross multiply
    3,047.52x = 4,180.56 × 2,966.40
  4. Step 4: Simplify right side
    3,047.52x = 12,401,213.18
  5. Step 5: Solve for x
    x = 12,401,213.18/3,047.52
  6. Step 6: Final answer
    x = 4,069.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.