Home / 2,528.48-3,489.73-1,867.25

Finding the Fourth Proportional to 2,528.48, 3,489.73 and 1,867.25

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Solution

The fourth proportional to 2,528.48, 3,489.73 and 1,867.25 is: 2,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.48 : 3,489.73 = 1,867.25 : x
  2. Step 2: Convert to fraction form
    2,528.48/3,489.73 = 1,867.25/x
  3. Step 3: Cross multiply
    2,528.48x = 3,489.73 × 1,867.25
  4. Step 4: Simplify right side
    2,528.48x = 6,516,176.23
  5. Step 5: Solve for x
    x = 6,516,176.23/2,528.48
  6. Step 6: Final answer
    x = 2,577.11

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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.