Home / 5,457.42-8,175.35-4,281.57

Finding the Fourth Proportional to 5,457.42, 8,175.35 and 4,281.57

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Solution

The fourth proportional to 5,457.42, 8,175.35 and 4,281.57 is: 6,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.42 : 8,175.35 = 4,281.57 : x
  2. Step 2: Convert to fraction form
    5,457.42/8,175.35 = 4,281.57/x
  3. Step 3: Cross multiply
    5,457.42x = 8,175.35 × 4,281.57
  4. Step 4: Simplify right side
    5,457.42x = 35,003,344.00
  5. Step 5: Solve for x
    x = 35,003,344.00/5,457.42
  6. Step 6: Final answer
    x = 6,413.90

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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.