Home / 6,875.40-10,298.70-3,793.80

Finding the Fourth Proportional to 6,875.40, 10,298.70 and 3,793.80

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Solution

The fourth proportional to 6,875.40, 10,298.70 and 3,793.80 is: 5,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.40 : 10,298.70 = 3,793.80 : x
  2. Step 2: Convert to fraction form
    6,875.40/10,298.70 = 3,793.80/x
  3. Step 3: Cross multiply
    6,875.40x = 10,298.70 × 3,793.80
  4. Step 4: Simplify right side
    6,875.40x = 39,071,208.06
  5. Step 5: Solve for x
    x = 39,071,208.06/6,875.40
  6. Step 6: Final answer
    x = 5,682.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.