Home / 4,202.01-5,792.56-2,689.40

Finding the Fourth Proportional to 4,202.01, 5,792.56 and 2,689.40

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Solution

The fourth proportional to 4,202.01, 5,792.56 and 2,689.40 is: 3,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.01 : 5,792.56 = 2,689.40 : x
  2. Step 2: Convert to fraction form
    4,202.01/5,792.56 = 2,689.40/x
  3. Step 3: Cross multiply
    4,202.01x = 5,792.56 × 2,689.40
  4. Step 4: Simplify right side
    4,202.01x = 15,578,518.62
  5. Step 5: Solve for x
    x = 15,578,518.62/4,202.01
  6. Step 6: Final answer
    x = 3,707.40

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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.