Home / 4,206.87-5,805.45-2,318.46

Finding the Fourth Proportional to 4,206.87, 5,805.45 and 2,318.46

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Solution

The fourth proportional to 4,206.87, 5,805.45 and 2,318.46 is: 3,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.87 : 5,805.45 = 2,318.46 : x
  2. Step 2: Convert to fraction form
    4,206.87/5,805.45 = 2,318.46/x
  3. Step 3: Cross multiply
    4,206.87x = 5,805.45 × 2,318.46
  4. Step 4: Simplify right side
    4,206.87x = 13,459,703.61
  5. Step 5: Solve for x
    x = 13,459,703.61/4,206.87
  6. Step 6: Final answer
    x = 3,199.46

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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.