Home / 5,386.99-8,074.91-2,054.34

Finding the Fourth Proportional to 5,386.99, 8,074.91 and 2,054.34

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Solution

The fourth proportional to 5,386.99, 8,074.91 and 2,054.34 is: 3,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.99 : 8,074.91 = 2,054.34 : x
  2. Step 2: Convert to fraction form
    5,386.99/8,074.91 = 2,054.34/x
  3. Step 3: Cross multiply
    5,386.99x = 8,074.91 × 2,054.34
  4. Step 4: Simplify right side
    5,386.99x = 16,588,592.81
  5. Step 5: Solve for x
    x = 16,588,592.81/5,386.99
  6. Step 6: Final answer
    x = 3,079.38

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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.