Home / 5,387.40-7,436.51-4,552.53

Finding the Fourth Proportional to 5,387.40, 7,436.51 and 4,552.53

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Solution

The fourth proportional to 5,387.40, 7,436.51 and 4,552.53 is: 6,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.40 : 7,436.51 = 4,552.53 : x
  2. Step 2: Convert to fraction form
    5,387.40/7,436.51 = 4,552.53/x
  3. Step 3: Cross multiply
    5,387.40x = 7,436.51 × 4,552.53
  4. Step 4: Simplify right side
    5,387.40x = 33,854,912.11
  5. Step 5: Solve for x
    x = 33,854,912.11/5,387.40
  6. Step 6: Final answer
    x = 6,284.09

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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.