Home / 2,864.22-3,951.36-2,360.40

Finding the Fourth Proportional to 2,864.22, 3,951.36 and 2,360.40

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Solution

The fourth proportional to 2,864.22, 3,951.36 and 2,360.40 is: 3,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.22 : 3,951.36 = 2,360.40 : x
  2. Step 2: Convert to fraction form
    2,864.22/3,951.36 = 2,360.40/x
  3. Step 3: Cross multiply
    2,864.22x = 3,951.36 × 2,360.40
  4. Step 4: Simplify right side
    2,864.22x = 9,326,790.14
  5. Step 5: Solve for x
    x = 9,326,790.14/2,864.22
  6. Step 6: Final answer
    x = 3,256.31

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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.