Home / 4,130.92-5,705.52-3,134.56

Finding the Fourth Proportional to 4,130.92, 5,705.52 and 3,134.56

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Solution

The fourth proportional to 4,130.92, 5,705.52 and 3,134.56 is: 4,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.92 : 5,705.52 = 3,134.56 : x
  2. Step 2: Convert to fraction form
    4,130.92/5,705.52 = 3,134.56/x
  3. Step 3: Cross multiply
    4,130.92x = 5,705.52 × 3,134.56
  4. Step 4: Simplify right side
    4,130.92x = 17,884,294.77
  5. Step 5: Solve for x
    x = 17,884,294.77/4,130.92
  6. Step 6: Final answer
    x = 4,329.37

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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.