Home / 4,126.46-5,696.52-2,782.40

Finding the Fourth Proportional to 4,126.46, 5,696.52 and 2,782.40

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Solution

The fourth proportional to 4,126.46, 5,696.52 and 2,782.40 is: 3,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.46 : 5,696.52 = 2,782.40 : x
  2. Step 2: Convert to fraction form
    4,126.46/5,696.52 = 2,782.40/x
  3. Step 3: Cross multiply
    4,126.46x = 5,696.52 × 2,782.40
  4. Step 4: Simplify right side
    4,126.46x = 15,849,997.25
  5. Step 5: Solve for x
    x = 15,849,997.25/4,126.46
  6. Step 6: Final answer
    x = 3,841.06

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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.