Home / 7,292.28-10,922.58-5,340

Finding the Fourth Proportional to 7,292.28, 10,922.58 and 5,340

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Solution

The fourth proportional to 7,292.28, 10,922.58 and 5,340 is: 7,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.28 : 10,922.58 = 5,340 : x
  2. Step 2: Convert to fraction form
    7,292.28/10,922.58 = 5,340/x
  3. Step 3: Cross multiply
    7,292.28x = 10,922.58 × 5,340
  4. Step 4: Simplify right side
    7,292.28x = 58,326,577.20
  5. Step 5: Solve for x
    x = 58,326,577.20/7,292.28
  6. Step 6: Final answer
    x = 7,998.40

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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.