Home / 5,343.30-7,374.10-2,985.46

Finding the Fourth Proportional to 5,343.30, 7,374.10 and 2,985.46

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Solution

The fourth proportional to 5,343.30, 7,374.10 and 2,985.46 is: 4,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.30 : 7,374.10 = 2,985.46 : x
  2. Step 2: Convert to fraction form
    5,343.30/7,374.10 = 2,985.46/x
  3. Step 3: Cross multiply
    5,343.30x = 7,374.10 × 2,985.46
  4. Step 4: Simplify right side
    5,343.30x = 22,015,080.59
  5. Step 5: Solve for x
    x = 22,015,080.59/5,343.30
  6. Step 6: Final answer
    x = 4,120.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.