Home / 3,856.59-5,322.06-2,088.22

Finding the Fourth Proportional to 3,856.59, 5,322.06 and 2,088.22

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Solution

The fourth proportional to 3,856.59, 5,322.06 and 2,088.22 is: 2,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.59 : 5,322.06 = 2,088.22 : x
  2. Step 2: Convert to fraction form
    3,856.59/5,322.06 = 2,088.22/x
  3. Step 3: Cross multiply
    3,856.59x = 5,322.06 × 2,088.22
  4. Step 4: Simplify right side
    3,856.59x = 11,113,632.13
  5. Step 5: Solve for x
    x = 11,113,632.13/3,856.59
  6. Step 6: Final answer
    x = 2,881.73

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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.