Home / 7,134.75-10,706.45-3,030.75

Finding the Fourth Proportional to 7,134.75, 10,706.45 and 3,030.75

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Solution

The fourth proportional to 7,134.75, 10,706.45 and 3,030.75 is: 4,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.75 : 10,706.45 = 3,030.75 : x
  2. Step 2: Convert to fraction form
    7,134.75/10,706.45 = 3,030.75/x
  3. Step 3: Cross multiply
    7,134.75x = 10,706.45 × 3,030.75
  4. Step 4: Simplify right side
    7,134.75x = 32,448,573.34
  5. Step 5: Solve for x
    x = 32,448,573.34/7,134.75
  6. Step 6: Final answer
    x = 4,547.96

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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.