Home / 7,281.31-10,922.69-2,897.75

Finding the Fourth Proportional to 7,281.31, 10,922.69 and 2,897.75

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Solution

The fourth proportional to 7,281.31, 10,922.69 and 2,897.75 is: 4,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.31 : 10,922.69 = 2,897.75 : x
  2. Step 2: Convert to fraction form
    7,281.31/10,922.69 = 2,897.75/x
  3. Step 3: Cross multiply
    7,281.31x = 10,922.69 × 2,897.75
  4. Step 4: Simplify right side
    7,281.31x = 31,651,177.58
  5. Step 5: Solve for x
    x = 31,651,177.58/7,281.31
  6. Step 6: Final answer
    x = 4,346.91

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1.5x scale

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.