Home / 5,170.16-7,143.18-3,605.24

Finding the Fourth Proportional to 5,170.16, 7,143.18 and 3,605.24

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Solution

The fourth proportional to 5,170.16, 7,143.18 and 3,605.24 is: 4,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.16 : 7,143.18 = 3,605.24 : x
  2. Step 2: Convert to fraction form
    5,170.16/7,143.18 = 3,605.24/x
  3. Step 3: Cross multiply
    5,170.16x = 7,143.18 × 3,605.24
  4. Step 4: Simplify right side
    5,170.16x = 25,752,878.26
  5. Step 5: Solve for x
    x = 25,752,878.26/5,170.16
  6. Step 6: Final answer
    x = 4,981.06

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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.