Home / 2,381.17-3,574.06-1,149.45

Finding the Fourth Proportional to 2,381.17, 3,574.06 and 1,149.45

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Solution

The fourth proportional to 2,381.17, 3,574.06 and 1,149.45 is: 1,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.17 : 3,574.06 = 1,149.45 : x
  2. Step 2: Convert to fraction form
    2,381.17/3,574.06 = 1,149.45/x
  3. Step 3: Cross multiply
    2,381.17x = 3,574.06 × 1,149.45
  4. Step 4: Simplify right side
    2,381.17x = 4,108,185.40
  5. Step 5: Solve for x
    x = 4,108,185.40/2,381.17
  6. Step 6: Final answer
    x = 1,725.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.