Home / 7,631.49-10,531.56-4,977.37

Finding the Fourth Proportional to 7,631.49, 10,531.56 and 4,977.37

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Solution

The fourth proportional to 7,631.49, 10,531.56 and 4,977.37 is: 6,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.49 : 10,531.56 = 4,977.37 : x
  2. Step 2: Convert to fraction form
    7,631.49/10,531.56 = 4,977.37/x
  3. Step 3: Cross multiply
    7,631.49x = 10,531.56 × 4,977.37
  4. Step 4: Simplify right side
    7,631.49x = 52,419,465.30
  5. Step 5: Solve for x
    x = 52,419,465.30/7,631.49
  6. Step 6: Final answer
    x = 6,868.84

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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.