Home / 5,280.33-7,285.89-3,416.25

Finding the Fourth Proportional to 5,280.33, 7,285.89 and 3,416.25

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Solution

The fourth proportional to 5,280.33, 7,285.89 and 3,416.25 is: 4,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.33 : 7,285.89 = 3,416.25 : x
  2. Step 2: Convert to fraction form
    5,280.33/7,285.89 = 3,416.25/x
  3. Step 3: Cross multiply
    5,280.33x = 7,285.89 × 3,416.25
  4. Step 4: Simplify right side
    5,280.33x = 24,890,421.71
  5. Step 5: Solve for x
    x = 24,890,421.71/5,280.33
  6. Step 6: Final answer
    x = 4,713.80

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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.