Home / 4,905.48-7,357.50-1,618.15

Finding the Fourth Proportional to 4,905.48, 7,357.50 and 1,618.15

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Solution

The fourth proportional to 4,905.48, 7,357.50 and 1,618.15 is: 2,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.48 : 7,357.50 = 1,618.15 : x
  2. Step 2: Convert to fraction form
    4,905.48/7,357.50 = 1,618.15/x
  3. Step 3: Cross multiply
    4,905.48x = 7,357.50 × 1,618.15
  4. Step 4: Simplify right side
    4,905.48x = 11,905,530.53
  5. Step 5: Solve for x
    x = 11,905,530.53/4,905.48
  6. Step 6: Final answer
    x = 2,426.99

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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.