Home / 4,905.35-7,357.40-1,617.63

Finding the Fourth Proportional to 4,905.35, 7,357.40 and 1,617.63

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Solution

The fourth proportional to 4,905.35, 7,357.40 and 1,617.63 is: 2,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.35 : 7,357.40 = 1,617.63 : x
  2. Step 2: Convert to fraction form
    4,905.35/7,357.40 = 1,617.63/x
  3. Step 3: Cross multiply
    4,905.35x = 7,357.40 × 1,617.63
  4. Step 4: Simplify right side
    4,905.35x = 11,901,521.35
  5. Step 5: Solve for x
    x = 11,901,521.35/4,905.35
  6. Step 6: Final answer
    x = 2,426.23

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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.