Home / 3,082.51-4,253.71-1,756.27

Finding the Fourth Proportional to 3,082.51, 4,253.71 and 1,756.27

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Solution

The fourth proportional to 3,082.51, 4,253.71 and 1,756.27 is: 2,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.51 : 4,253.71 = 1,756.27 : x
  2. Step 2: Convert to fraction form
    3,082.51/4,253.71 = 1,756.27/x
  3. Step 3: Cross multiply
    3,082.51x = 4,253.71 × 1,756.27
  4. Step 4: Simplify right side
    3,082.51x = 7,470,663.26
  5. Step 5: Solve for x
    x = 7,470,663.26/3,082.51
  6. Step 6: Final answer
    x = 2,423.56

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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.