Home / 7,292.40-10,937.28-2,097

Finding the Fourth Proportional to 7,292.40, 10,937.28 and 2,097

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Solution

The fourth proportional to 7,292.40, 10,937.28 and 2,097 is: 3,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.40 : 10,937.28 = 2,097 : x
  2. Step 2: Convert to fraction form
    7,292.40/10,937.28 = 2,097/x
  3. Step 3: Cross multiply
    7,292.40x = 10,937.28 × 2,097
  4. Step 4: Simplify right side
    7,292.40x = 22,935,476.16
  5. Step 5: Solve for x
    x = 22,935,476.16/7,292.40
  6. Step 6: Final answer
    x = 3,145.12

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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.