Home / 3,126.16-4,314.63-1,799.62

Finding the Fourth Proportional to 3,126.16, 4,314.63 and 1,799.62

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Solution

The fourth proportional to 3,126.16, 4,314.63 and 1,799.62 is: 2,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.16 : 4,314.63 = 1,799.62 : x
  2. Step 2: Convert to fraction form
    3,126.16/4,314.63 = 1,799.62/x
  3. Step 3: Cross multiply
    3,126.16x = 4,314.63 × 1,799.62
  4. Step 4: Simplify right side
    3,126.16x = 7,764,663.87
  5. Step 5: Solve for x
    x = 7,764,663.87/3,126.16
  6. Step 6: Final answer
    x = 2,483.77

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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.