Home / 7,278.88-10,044.63-4,294.90

Finding the Fourth Proportional to 7,278.88, 10,044.63 and 4,294.90

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Solution

The fourth proportional to 7,278.88, 10,044.63 and 4,294.90 is: 5,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.88 : 10,044.63 = 4,294.90 : x
  2. Step 2: Convert to fraction form
    7,278.88/10,044.63 = 4,294.90/x
  3. Step 3: Cross multiply
    7,278.88x = 10,044.63 × 4,294.90
  4. Step 4: Simplify right side
    7,278.88x = 43,140,681.39
  5. Step 5: Solve for x
    x = 43,140,681.39/7,278.88
  6. Step 6: Final answer
    x = 5,926.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.