Home / 3,280.13-4,526.45-1,788.02

Finding the Fourth Proportional to 3,280.13, 4,526.45 and 1,788.02

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Solution

The fourth proportional to 3,280.13, 4,526.45 and 1,788.02 is: 2,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.13 : 4,526.45 = 1,788.02 : x
  2. Step 2: Convert to fraction form
    3,280.13/4,526.45 = 1,788.02/x
  3. Step 3: Cross multiply
    3,280.13x = 4,526.45 × 1,788.02
  4. Step 4: Simplify right side
    3,280.13x = 8,093,360.50
  5. Step 5: Solve for x
    x = 8,093,360.50/3,280.13
  6. Step 6: Final answer
    x = 2,467.39

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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.