Home / 5,007.02-6,909.14-2,768.80

Finding the Fourth Proportional to 5,007.02, 6,909.14 and 2,768.80

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Solution

The fourth proportional to 5,007.02, 6,909.14 and 2,768.80 is: 3,820.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.02 : 6,909.14 = 2,768.80 : x
  2. Step 2: Convert to fraction form
    5,007.02/6,909.14 = 2,768.80/x
  3. Step 3: Cross multiply
    5,007.02x = 6,909.14 × 2,768.80
  4. Step 4: Simplify right side
    5,007.02x = 19,130,026.83
  5. Step 5: Solve for x
    x = 19,130,026.83/5,007.02
  6. Step 6: Final answer
    x = 3,820.64

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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.