Home / 5,059.02-6,980.74-2,820.62

Finding the Fourth Proportional to 5,059.02, 6,980.74 and 2,820.62

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Solution

The fourth proportional to 5,059.02, 6,980.74 and 2,820.62 is: 3,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.02 : 6,980.74 = 2,820.62 : x
  2. Step 2: Convert to fraction form
    5,059.02/6,980.74 = 2,820.62/x
  3. Step 3: Cross multiply
    5,059.02x = 6,980.74 × 2,820.62
  4. Step 4: Simplify right side
    5,059.02x = 19,690,014.86
  5. Step 5: Solve for x
    x = 19,690,014.86/5,059.02
  6. Step 6: Final answer
    x = 3,892.06

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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.