Home / 3,575.02-4,933.54-1,981.69

Finding the Fourth Proportional to 3,575.02, 4,933.54 and 1,981.69

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Solution

The fourth proportional to 3,575.02, 4,933.54 and 1,981.69 is: 2,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.02 : 4,933.54 = 1,981.69 : x
  2. Step 2: Convert to fraction form
    3,575.02/4,933.54 = 1,981.69/x
  3. Step 3: Cross multiply
    3,575.02x = 4,933.54 × 1,981.69
  4. Step 4: Simplify right side
    3,575.02x = 9,776,763.35
  5. Step 5: Solve for x
    x = 9,776,763.35/3,575.02
  6. Step 6: Final answer
    x = 2,734.74

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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.