Home / 7,335.38-10,122.64-4,191.57

Finding the Fourth Proportional to 7,335.38, 10,122.64 and 4,191.57

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Solution

The fourth proportional to 7,335.38, 10,122.64 and 4,191.57 is: 5,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.38 : 10,122.64 = 4,191.57 : x
  2. Step 2: Convert to fraction form
    7,335.38/10,122.64 = 4,191.57/x
  3. Step 3: Cross multiply
    7,335.38x = 10,122.64 × 4,191.57
  4. Step 4: Simplify right side
    7,335.38x = 42,429,743.67
  5. Step 5: Solve for x
    x = 42,429,743.67/7,335.38
  6. Step 6: Final answer
    x = 5,784.26

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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.