Home / 7,177.92-9,907.11-4,528.91

Finding the Fourth Proportional to 7,177.92, 9,907.11 and 4,528.91

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Solution

The fourth proportional to 7,177.92, 9,907.11 and 4,528.91 is: 6,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.92 : 9,907.11 = 4,528.91 : x
  2. Step 2: Convert to fraction form
    7,177.92/9,907.11 = 4,528.91/x
  3. Step 3: Cross multiply
    7,177.92x = 9,907.11 × 4,528.91
  4. Step 4: Simplify right side
    7,177.92x = 44,868,434.32
  5. Step 5: Solve for x
    x = 44,868,434.32/7,177.92
  6. Step 6: Final answer
    x = 6,250.90

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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.