Home / 5,425.02-7,486.56-3,436.74

Finding the Fourth Proportional to 5,425.02, 7,486.56 and 3,436.74

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Solution

The fourth proportional to 5,425.02, 7,486.56 and 3,436.74 is: 4,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.02 : 7,486.56 = 3,436.74 : x
  2. Step 2: Convert to fraction form
    5,425.02/7,486.56 = 3,436.74/x
  3. Step 3: Cross multiply
    5,425.02x = 7,486.56 × 3,436.74
  4. Step 4: Simplify right side
    5,425.02x = 25,729,360.21
  5. Step 5: Solve for x
    x = 25,729,360.21/5,425.02
  6. Step 6: Final answer
    x = 4,742.72

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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.