Home / 6,935.48-9,570.90-3,911.57

Finding the Fourth Proportional to 6,935.48, 9,570.90 and 3,911.57

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Solution

The fourth proportional to 6,935.48, 9,570.90 and 3,911.57 is: 5,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.48 : 9,570.90 = 3,911.57 : x
  2. Step 2: Convert to fraction form
    6,935.48/9,570.90 = 3,911.57/x
  3. Step 3: Cross multiply
    6,935.48x = 9,570.90 × 3,911.57
  4. Step 4: Simplify right side
    6,935.48x = 37,437,245.31
  5. Step 5: Solve for x
    x = 37,437,245.31/6,935.48
  6. Step 6: Final answer
    x = 5,397.93

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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.