Home / 7,270.57-10,903.70-2,653.93

Finding the Fourth Proportional to 7,270.57, 10,903.70 and 2,653.93

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Solution

The fourth proportional to 7,270.57, 10,903.70 and 2,653.93 is: 3,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.57 : 10,903.70 = 2,653.93 : x
  2. Step 2: Convert to fraction form
    7,270.57/10,903.70 = 2,653.93/x
  3. Step 3: Cross multiply
    7,270.57x = 10,903.70 × 2,653.93
  4. Step 4: Simplify right side
    7,270.57x = 28,937,643.27
  5. Step 5: Solve for x
    x = 28,937,643.27/7,270.57
  6. Step 6: Final answer
    x = 3,980.11

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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.