Home / 7,475.58-11,214.35-2,543.90

Finding the Fourth Proportional to 7,475.58, 11,214.35 and 2,543.90

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Solution

The fourth proportional to 7,475.58, 11,214.35 and 2,543.90 is: 3,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.58 : 11,214.35 = 2,543.90 : x
  2. Step 2: Convert to fraction form
    7,475.58/11,214.35 = 2,543.90/x
  3. Step 3: Cross multiply
    7,475.58x = 11,214.35 × 2,543.90
  4. Step 4: Simplify right side
    7,475.58x = 28,528,116.17
  5. Step 5: Solve for x
    x = 28,528,116.17/7,475.58
  6. Step 6: Final answer
    x = 3,816.17

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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.