Home / 4,909.02-6,774.23-2,670.85

Finding the Fourth Proportional to 4,909.02, 6,774.23 and 2,670.85

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Solution

The fourth proportional to 4,909.02, 6,774.23 and 2,670.85 is: 3,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.02 : 6,774.23 = 2,670.85 : x
  2. Step 2: Convert to fraction form
    4,909.02/6,774.23 = 2,670.85/x
  3. Step 3: Cross multiply
    4,909.02x = 6,774.23 × 2,670.85
  4. Step 4: Simplify right side
    4,909.02x = 18,092,967.34
  5. Step 5: Solve for x
    x = 18,092,967.34/4,909.02
  6. Step 6: Final answer
    x = 3,685.66

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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.