Home / 2,302.57-3,178.62-1,358.06

Finding the Fourth Proportional to 2,302.57, 3,178.62 and 1,358.06

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Solution

The fourth proportional to 2,302.57, 3,178.62 and 1,358.06 is: 1,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.57 : 3,178.62 = 1,358.06 : x
  2. Step 2: Convert to fraction form
    2,302.57/3,178.62 = 1,358.06/x
  3. Step 3: Cross multiply
    2,302.57x = 3,178.62 × 1,358.06
  4. Step 4: Simplify right side
    2,302.57x = 4,316,756.68
  5. Step 5: Solve for x
    x = 4,316,756.68/2,302.57
  6. Step 6: Final answer
    x = 1,874.76

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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.