Home / 7,549.88-10,418.87-4,405.46

Finding the Fourth Proportional to 7,549.88, 10,418.87 and 4,405.46

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Solution

The fourth proportional to 7,549.88, 10,418.87 and 4,405.46 is: 6,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.88 : 10,418.87 = 4,405.46 : x
  2. Step 2: Convert to fraction form
    7,549.88/10,418.87 = 4,405.46/x
  3. Step 3: Cross multiply
    7,549.88x = 10,418.87 × 4,405.46
  4. Step 4: Simplify right side
    7,549.88x = 45,899,873.95
  5. Step 5: Solve for x
    x = 45,899,873.95/7,549.88
  6. Step 6: Final answer
    x = 6,079.55

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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.