Home / 5,886.48-8,120.99-3,368.10

Finding the Fourth Proportional to 5,886.48, 8,120.99 and 3,368.10

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Solution

The fourth proportional to 5,886.48, 8,120.99 and 3,368.10 is: 4,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.48 : 8,120.99 = 3,368.10 : x
  2. Step 2: Convert to fraction form
    5,886.48/8,120.99 = 3,368.10/x
  3. Step 3: Cross multiply
    5,886.48x = 8,120.99 × 3,368.10
  4. Step 4: Simplify right side
    5,886.48x = 27,352,314.84
  5. Step 5: Solve for x
    x = 27,352,314.84/5,886.48
  6. Step 6: Final answer
    x = 4,646.63

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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.