Home / 3,712.93-5,124.14-2,141.53

Finding the Fourth Proportional to 3,712.93, 5,124.14 and 2,141.53

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Solution

The fourth proportional to 3,712.93, 5,124.14 and 2,141.53 is: 2,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.93 : 5,124.14 = 2,141.53 : x
  2. Step 2: Convert to fraction form
    3,712.93/5,124.14 = 2,141.53/x
  3. Step 3: Cross multiply
    3,712.93x = 5,124.14 × 2,141.53
  4. Step 4: Simplify right side
    3,712.93x = 10,973,488.83
  5. Step 5: Solve for x
    x = 10,973,488.83/3,712.93
  6. Step 6: Final answer
    x = 2,955.48

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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.