Home / 5,228.79-7,842.83-2,457.47

Finding the Fourth Proportional to 5,228.79, 7,842.83 and 2,457.47

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Solution

The fourth proportional to 5,228.79, 7,842.83 and 2,457.47 is: 3,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.79 : 7,842.83 = 2,457.47 : x
  2. Step 2: Convert to fraction form
    5,228.79/7,842.83 = 2,457.47/x
  3. Step 3: Cross multiply
    5,228.79x = 7,842.83 × 2,457.47
  4. Step 4: Simplify right side
    5,228.79x = 19,273,526.76
  5. Step 5: Solve for x
    x = 19,273,526.76/5,228.79
  6. Step 6: Final answer
    x = 3,686.04

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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.