Home / 2,482.02-3,719.58-1,931.70

Finding the Fourth Proportional to 2,482.02, 3,719.58 and 1,931.70

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Solution

The fourth proportional to 2,482.02, 3,719.58 and 1,931.70 is: 2,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.02 : 3,719.58 = 1,931.70 : x
  2. Step 2: Convert to fraction form
    2,482.02/3,719.58 = 1,931.70/x
  3. Step 3: Cross multiply
    2,482.02x = 3,719.58 × 1,931.70
  4. Step 4: Simplify right side
    2,482.02x = 7,185,112.69
  5. Step 5: Solve for x
    x = 7,185,112.69/2,482.02
  6. Step 6: Final answer
    x = 2,894.86

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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.