Home / 3,045.60-4,564.80-2,275.20

Finding the Fourth Proportional to 3,045.60, 4,564.80 and 2,275.20

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Solution

The fourth proportional to 3,045.60, 4,564.80 and 2,275.20 is: 3,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.60 : 4,564.80 = 2,275.20 : x
  2. Step 2: Convert to fraction form
    3,045.60/4,564.80 = 2,275.20/x
  3. Step 3: Cross multiply
    3,045.60x = 4,564.80 × 2,275.20
  4. Step 4: Simplify right side
    3,045.60x = 10,385,832.96
  5. Step 5: Solve for x
    x = 10,385,832.96/3,045.60
  6. Step 6: Final answer
    x = 3,410.11

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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.