Home / 7,048.30-10,568.40-2,117.20

Finding the Fourth Proportional to 7,048.30, 10,568.40 and 2,117.20

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Solution

The fourth proportional to 7,048.30, 10,568.40 and 2,117.20 is: 3,174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.30 : 10,568.40 = 2,117.20 : x
  2. Step 2: Convert to fraction form
    7,048.30/10,568.40 = 2,117.20/x
  3. Step 3: Cross multiply
    7,048.30x = 10,568.40 × 2,117.20
  4. Step 4: Simplify right side
    7,048.30x = 22,375,416.48
  5. Step 5: Solve for x
    x = 22,375,416.48/7,048.30
  6. Step 6: Final answer
    x = 3,174.58

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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.