Home / 3,528.86-5,294.09-1,886.99

Finding the Fourth Proportional to 3,528.86, 5,294.09 and 1,886.99

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Solution

The fourth proportional to 3,528.86, 5,294.09 and 1,886.99 is: 2,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.86 : 5,294.09 = 1,886.99 : x
  2. Step 2: Convert to fraction form
    3,528.86/5,294.09 = 1,886.99/x
  3. Step 3: Cross multiply
    3,528.86x = 5,294.09 × 1,886.99
  4. Step 4: Simplify right side
    3,528.86x = 9,989,873.14
  5. Step 5: Solve for x
    x = 9,989,873.14/3,528.86
  6. Step 6: Final answer
    x = 2,830.91

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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.