Home / 4,645.81-6,412.44-2,876.41

Finding the Fourth Proportional to 4,645.81, 6,412.44 and 2,876.41

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Solution

The fourth proportional to 4,645.81, 6,412.44 and 2,876.41 is: 3,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.81 : 6,412.44 = 2,876.41 : x
  2. Step 2: Convert to fraction form
    4,645.81/6,412.44 = 2,876.41/x
  3. Step 3: Cross multiply
    4,645.81x = 6,412.44 × 2,876.41
  4. Step 4: Simplify right side
    4,645.81x = 18,444,774.48
  5. Step 5: Solve for x
    x = 18,444,774.48/4,645.81
  6. Step 6: Final answer
    x = 3,970.20

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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.