Home / 3,308.32-4,962.93-1,555.12

Finding the Fourth Proportional to 3,308.32, 4,962.93 and 1,555.12

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Solution

The fourth proportional to 3,308.32, 4,962.93 and 1,555.12 is: 2,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.32 : 4,962.93 = 1,555.12 : x
  2. Step 2: Convert to fraction form
    3,308.32/4,962.93 = 1,555.12/x
  3. Step 3: Cross multiply
    3,308.32x = 4,962.93 × 1,555.12
  4. Step 4: Simplify right side
    3,308.32x = 7,717,951.70
  5. Step 5: Solve for x
    x = 7,717,951.70/3,308.32
  6. Step 6: Final answer
    x = 2,332.89

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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.