Home / 5,240.64-7,232.56-2,883.24

Finding the Fourth Proportional to 5,240.64, 7,232.56 and 2,883.24

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Solution

The fourth proportional to 5,240.64, 7,232.56 and 2,883.24 is: 3,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.64 : 7,232.56 = 2,883.24 : x
  2. Step 2: Convert to fraction form
    5,240.64/7,232.56 = 2,883.24/x
  3. Step 3: Cross multiply
    5,240.64x = 7,232.56 × 2,883.24
  4. Step 4: Simplify right side
    5,240.64x = 20,853,206.29
  5. Step 5: Solve for x
    x = 20,853,206.29/5,240.64
  6. Step 6: Final answer
    x = 3,979.13

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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.