Home / 4,670.76-6,999.90-3,432.36

Finding the Fourth Proportional to 4,670.76, 6,999.90 and 3,432.36

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Solution

The fourth proportional to 4,670.76, 6,999.90 and 3,432.36 is: 5,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.76 : 6,999.90 = 3,432.36 : x
  2. Step 2: Convert to fraction form
    4,670.76/6,999.90 = 3,432.36/x
  3. Step 3: Cross multiply
    4,670.76x = 6,999.90 × 3,432.36
  4. Step 4: Simplify right side
    4,670.76x = 24,026,176.76
  5. Step 5: Solve for x
    x = 24,026,176.76/4,670.76
  6. Step 6: Final answer
    x = 5,143.95

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1.5x scale

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.