Home / 5,887.28-8,127.84-4,097.36

Finding the Fourth Proportional to 5,887.28, 8,127.84 and 4,097.36

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Solution

The fourth proportional to 5,887.28, 8,127.84 and 4,097.36 is: 5,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.28 : 8,127.84 = 4,097.36 : x
  2. Step 2: Convert to fraction form
    5,887.28/8,127.84 = 4,097.36/x
  3. Step 3: Cross multiply
    5,887.28x = 8,127.84 × 4,097.36
  4. Step 4: Simplify right side
    5,887.28x = 33,302,686.50
  5. Step 5: Solve for x
    x = 33,302,686.50/5,887.28
  6. Step 6: Final answer
    x = 5,656.72

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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.