Home / 3,157.17-4,356.82-1,740.83

Finding the Fourth Proportional to 3,157.17, 4,356.82 and 1,740.83

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Solution

The fourth proportional to 3,157.17, 4,356.82 and 1,740.83 is: 2,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.17 : 4,356.82 = 1,740.83 : x
  2. Step 2: Convert to fraction form
    3,157.17/4,356.82 = 1,740.83/x
  3. Step 3: Cross multiply
    3,157.17x = 4,356.82 × 1,740.83
  4. Step 4: Simplify right side
    3,157.17x = 7,584,463.35
  5. Step 5: Solve for x
    x = 7,584,463.35/3,157.17
  6. Step 6: Final answer
    x = 2,402.30

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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.