Home / 4,449.40-6,140.21-2,459.99

Finding the Fourth Proportional to 4,449.40, 6,140.21 and 2,459.99

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Solution

The fourth proportional to 4,449.40, 6,140.21 and 2,459.99 is: 3,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.40 : 6,140.21 = 2,459.99 : x
  2. Step 2: Convert to fraction form
    4,449.40/6,140.21 = 2,459.99/x
  3. Step 3: Cross multiply
    4,449.40x = 6,140.21 × 2,459.99
  4. Step 4: Simplify right side
    4,449.40x = 15,104,823.71
  5. Step 5: Solve for x
    x = 15,104,823.71/4,449.40
  6. Step 6: Final answer
    x = 3,394.80

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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.