Home / 6,875.87-9,488.70-3,732.05

Finding the Fourth Proportional to 6,875.87, 9,488.70 and 3,732.05

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Solution

The fourth proportional to 6,875.87, 9,488.70 and 3,732.05 is: 5,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.87 : 9,488.70 = 3,732.05 : x
  2. Step 2: Convert to fraction form
    6,875.87/9,488.70 = 3,732.05/x
  3. Step 3: Cross multiply
    6,875.87x = 9,488.70 × 3,732.05
  4. Step 4: Simplify right side
    6,875.87x = 35,412,326.56
  5. Step 5: Solve for x
    x = 35,412,326.56/6,875.87
  6. Step 6: Final answer
    x = 5,150.24

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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.