Home / 3,825.06-5,281.70-3,117.01

Finding the Fourth Proportional to 3,825.06, 5,281.70 and 3,117.01

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Solution

The fourth proportional to 3,825.06, 5,281.70 and 3,117.01 is: 4,304.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.06 : 5,281.70 = 3,117.01 : x
  2. Step 2: Convert to fraction form
    3,825.06/5,281.70 = 3,117.01/x
  3. Step 3: Cross multiply
    3,825.06x = 5,281.70 × 3,117.01
  4. Step 4: Simplify right side
    3,825.06x = 16,463,096.13
  5. Step 5: Solve for x
    x = 16,463,096.13/3,825.06
  6. Step 6: Final answer
    x = 4,304.01

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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.