Home / 5,031.16-7,546.74-2,107.40

Finding the Fourth Proportional to 5,031.16, 7,546.74 and 2,107.40

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Solution

The fourth proportional to 5,031.16, 7,546.74 and 2,107.40 is: 3,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.16 : 7,546.74 = 2,107.40 : x
  2. Step 2: Convert to fraction form
    5,031.16/7,546.74 = 2,107.40/x
  3. Step 3: Cross multiply
    5,031.16x = 7,546.74 × 2,107.40
  4. Step 4: Simplify right side
    5,031.16x = 15,903,999.88
  5. Step 5: Solve for x
    x = 15,903,999.88/5,031.16
  6. Step 6: Final answer
    x = 3,161.10

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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.