Home / 4,985.02-7,476.66-1,521.46

Finding the Fourth Proportional to 4,985.02, 7,476.66 and 1,521.46

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Solution

The fourth proportional to 4,985.02, 7,476.66 and 1,521.46 is: 2,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.02 : 7,476.66 = 1,521.46 : x
  2. Step 2: Convert to fraction form
    4,985.02/7,476.66 = 1,521.46/x
  3. Step 3: Cross multiply
    4,985.02x = 7,476.66 × 1,521.46
  4. Step 4: Simplify right side
    4,985.02x = 11,375,439.12
  5. Step 5: Solve for x
    x = 11,375,439.12/4,985.02
  6. Step 6: Final answer
    x = 2,281.92

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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.