Home / 4,432.48-6,646.71-1,311.41

Finding the Fourth Proportional to 4,432.48, 6,646.71 and 1,311.41

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Solution

The fourth proportional to 4,432.48, 6,646.71 and 1,311.41 is: 1,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432.48 : 6,646.71 = 1,311.41 : x
  2. Step 2: Convert to fraction form
    4,432.48/6,646.71 = 1,311.41/x
  3. Step 3: Cross multiply
    4,432.48x = 6,646.71 × 1,311.41
  4. Step 4: Simplify right side
    4,432.48x = 8,716,561.96
  5. Step 5: Solve for x
    x = 8,716,561.96/4,432.48
  6. Step 6: Final answer
    x = 1,966.52

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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.