Home / 5,887.48-8,120.02-3,872.96

Finding the Fourth Proportional to 5,887.48, 8,120.02 and 3,872.96

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Solution

The fourth proportional to 5,887.48, 8,120.02 and 3,872.96 is: 5,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.48 : 8,120.02 = 3,872.96 : x
  2. Step 2: Convert to fraction form
    5,887.48/8,120.02 = 3,872.96/x
  3. Step 3: Cross multiply
    5,887.48x = 8,120.02 × 3,872.96
  4. Step 4: Simplify right side
    5,887.48x = 31,448,545.76
  5. Step 5: Solve for x
    x = 31,448,545.76/5,887.48
  6. Step 6: Final answer
    x = 5,341.60

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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.