Home / 5,587.77-8,382.74-2,124.75

Finding the Fourth Proportional to 5,587.77, 8,382.74 and 2,124.75

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Solution

The fourth proportional to 5,587.77, 8,382.74 and 2,124.75 is: 3,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.77 : 8,382.74 = 2,124.75 : x
  2. Step 2: Convert to fraction form
    5,587.77/8,382.74 = 2,124.75/x
  3. Step 3: Cross multiply
    5,587.77x = 8,382.74 × 2,124.75
  4. Step 4: Simplify right side
    5,587.77x = 17,811,216.19
  5. Step 5: Solve for x
    x = 17,811,216.19/5,587.77
  6. Step 6: Final answer
    x = 3,187.54

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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.