Home / 4,928.02-7,385.45-1,805.10

Finding the Fourth Proportional to 4,928.02, 7,385.45 and 1,805.10

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Solution

The fourth proportional to 4,928.02, 7,385.45 and 1,805.10 is: 2,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.02 : 7,385.45 = 1,805.10 : x
  2. Step 2: Convert to fraction form
    4,928.02/7,385.45 = 1,805.10/x
  3. Step 3: Cross multiply
    4,928.02x = 7,385.45 × 1,805.10
  4. Step 4: Simplify right side
    4,928.02x = 13,331,475.80
  5. Step 5: Solve for x
    x = 13,331,475.80/4,928.02
  6. Step 6: Final answer
    x = 2,705.24

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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.