Home / 5,587.80-8,385.22-3,124.22

Finding the Fourth Proportional to 5,587.80, 8,385.22 and 3,124.22

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Solution

The fourth proportional to 5,587.80, 8,385.22 and 3,124.22 is: 4,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.80 : 8,385.22 = 3,124.22 : x
  2. Step 2: Convert to fraction form
    5,587.80/8,385.22 = 3,124.22/x
  3. Step 3: Cross multiply
    5,587.80x = 8,385.22 × 3,124.22
  4. Step 4: Simplify right side
    5,587.80x = 26,197,272.03
  5. Step 5: Solve for x
    x = 26,197,272.03/5,587.80
  6. Step 6: Final answer
    x = 4,688.30

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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.