Home / 3,803.07-5,248.45-2,124.49

Finding the Fourth Proportional to 3,803.07, 5,248.45 and 2,124.49

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Solution

The fourth proportional to 3,803.07, 5,248.45 and 2,124.49 is: 2,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.07 : 5,248.45 = 2,124.49 : x
  2. Step 2: Convert to fraction form
    3,803.07/5,248.45 = 2,124.49/x
  3. Step 3: Cross multiply
    3,803.07x = 5,248.45 × 2,124.49
  4. Step 4: Simplify right side
    3,803.07x = 11,150,279.54
  5. Step 5: Solve for x
    x = 11,150,279.54/3,803.07
  6. Step 6: Final answer
    x = 2,931.92

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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.