Home / 5,718.48-8,574.60-5,338.80

Finding the Fourth Proportional to 5,718.48, 8,574.60 and 5,338.80

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Solution

The fourth proportional to 5,718.48, 8,574.60 and 5,338.80 is: 8,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.48 : 8,574.60 = 5,338.80 : x
  2. Step 2: Convert to fraction form
    5,718.48/8,574.60 = 5,338.80/x
  3. Step 3: Cross multiply
    5,718.48x = 8,574.60 × 5,338.80
  4. Step 4: Simplify right side
    5,718.48x = 45,778,074.48
  5. Step 5: Solve for x
    x = 45,778,074.48/5,718.48
  6. Step 6: Final answer
    x = 8,005.29

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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.