Home / 5,195.16-7,785.84-2,270.28

Finding the Fourth Proportional to 5,195.16, 7,785.84 and 2,270.28

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Solution

The fourth proportional to 5,195.16, 7,785.84 and 2,270.28 is: 3,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.16 : 7,785.84 = 2,270.28 : x
  2. Step 2: Convert to fraction form
    5,195.16/7,785.84 = 2,270.28/x
  3. Step 3: Cross multiply
    5,195.16x = 7,785.84 × 2,270.28
  4. Step 4: Simplify right side
    5,195.16x = 17,676,036.84
  5. Step 5: Solve for x
    x = 17,676,036.84/5,195.16
  6. Step 6: Final answer
    x = 3,402.40

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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.