Home / 5,240.79-7,232.65-2,882.93

Finding the Fourth Proportional to 5,240.79, 7,232.65 and 2,882.93

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Solution

The fourth proportional to 5,240.79, 7,232.65 and 2,882.93 is: 3,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.79 : 7,232.65 = 2,882.93 : x
  2. Step 2: Convert to fraction form
    5,240.79/7,232.65 = 2,882.93/x
  3. Step 3: Cross multiply
    5,240.79x = 7,232.65 × 2,882.93
  4. Step 4: Simplify right side
    5,240.79x = 20,851,223.66
  5. Step 5: Solve for x
    x = 20,851,223.66/5,240.79
  6. Step 6: Final answer
    x = 3,978.64

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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.