Home / 2,395.70-3,588.06-2,155.12

Finding the Fourth Proportional to 2,395.70, 3,588.06 and 2,155.12

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Solution

The fourth proportional to 2,395.70, 3,588.06 and 2,155.12 is: 3,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.70 : 3,588.06 = 2,155.12 : x
  2. Step 2: Convert to fraction form
    2,395.70/3,588.06 = 2,155.12/x
  3. Step 3: Cross multiply
    2,395.70x = 3,588.06 × 2,155.12
  4. Step 4: Simplify right side
    2,395.70x = 7,732,699.87
  5. Step 5: Solve for x
    x = 7,732,699.87/2,395.70
  6. Step 6: Final answer
    x = 3,227.74

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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.