Home / 2,527.14-3,487.40-1,408.16

Finding the Fourth Proportional to 2,527.14, 3,487.40 and 1,408.16

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Solution

The fourth proportional to 2,527.14, 3,487.40 and 1,408.16 is: 1,943.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.14 : 3,487.40 = 1,408.16 : x
  2. Step 2: Convert to fraction form
    2,527.14/3,487.40 = 1,408.16/x
  3. Step 3: Cross multiply
    2,527.14x = 3,487.40 × 1,408.16
  4. Step 4: Simplify right side
    2,527.14x = 4,910,817.18
  5. Step 5: Solve for x
    x = 4,910,817.18/2,527.14
  6. Step 6: Final answer
    x = 1,943.23

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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.