Home / 7,575.84-10,454.94-4,218.48

Finding the Fourth Proportional to 7,575.84, 10,454.94 and 4,218.48

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Solution

The fourth proportional to 7,575.84, 10,454.94 and 4,218.48 is: 5,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.84 : 10,454.94 = 4,218.48 : x
  2. Step 2: Convert to fraction form
    7,575.84/10,454.94 = 4,218.48/x
  3. Step 3: Cross multiply
    7,575.84x = 10,454.94 × 4,218.48
  4. Step 4: Simplify right side
    7,575.84x = 44,103,955.29
  5. Step 5: Solve for x
    x = 44,103,955.29/7,575.84
  6. Step 6: Final answer
    x = 5,821.66

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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.