Home / 2,302.59-3,178.64-1,358.06

Finding the Fourth Proportional to 2,302.59, 3,178.64 and 1,358.06

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Solution

The fourth proportional to 2,302.59, 3,178.64 and 1,358.06 is: 1,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.59 : 3,178.64 = 1,358.06 : x
  2. Step 2: Convert to fraction form
    2,302.59/3,178.64 = 1,358.06/x
  3. Step 3: Cross multiply
    2,302.59x = 3,178.64 × 1,358.06
  4. Step 4: Simplify right side
    2,302.59x = 4,316,777.05
  5. Step 5: Solve for x
    x = 4,316,777.05/2,302.59
  6. Step 6: Final answer
    x = 1,874.75

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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.