Home / 4,040.48-5,575.20-2,716.40

Finding the Fourth Proportional to 4,040.48, 5,575.20 and 2,716.40

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Solution

The fourth proportional to 4,040.48, 5,575.20 and 2,716.40 is: 3,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.48 : 5,575.20 = 2,716.40 : x
  2. Step 2: Convert to fraction form
    4,040.48/5,575.20 = 2,716.40/x
  3. Step 3: Cross multiply
    4,040.48x = 5,575.20 × 2,716.40
  4. Step 4: Simplify right side
    4,040.48x = 15,144,473.28
  5. Step 5: Solve for x
    x = 15,144,473.28/4,040.48
  6. Step 6: Final answer
    x = 3,748.19

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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.