Home / 5,457.68-7,531.04-3,098.96

Finding the Fourth Proportional to 5,457.68, 7,531.04 and 3,098.96

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Solution

The fourth proportional to 5,457.68, 7,531.04 and 3,098.96 is: 4,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.68 : 7,531.04 = 3,098.96 : x
  2. Step 2: Convert to fraction form
    5,457.68/7,531.04 = 3,098.96/x
  3. Step 3: Cross multiply
    5,457.68x = 7,531.04 × 3,098.96
  4. Step 4: Simplify right side
    5,457.68x = 23,338,391.72
  5. Step 5: Solve for x
    x = 23,338,391.72/5,457.68
  6. Step 6: Final answer
    x = 4,276.25

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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.