Home / 6,720.54-9,274.59-4,031.34

Finding the Fourth Proportional to 6,720.54, 9,274.59 and 4,031.34

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Solution

The fourth proportional to 6,720.54, 9,274.59 and 4,031.34 is: 5,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.54 : 9,274.59 = 4,031.34 : x
  2. Step 2: Convert to fraction form
    6,720.54/9,274.59 = 4,031.34/x
  3. Step 3: Cross multiply
    6,720.54x = 9,274.59 × 4,031.34
  4. Step 4: Simplify right side
    6,720.54x = 37,389,025.65
  5. Step 5: Solve for x
    x = 37,389,025.65/6,720.54
  6. Step 6: Final answer
    x = 5,563.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.