Home / 5,087.58-7,024.28-3,176.31

Finding the Fourth Proportional to 5,087.58, 7,024.28 and 3,176.31

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Solution

The fourth proportional to 5,087.58, 7,024.28 and 3,176.31 is: 4,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.58 : 7,024.28 = 3,176.31 : x
  2. Step 2: Convert to fraction form
    5,087.58/7,024.28 = 3,176.31/x
  3. Step 3: Cross multiply
    5,087.58x = 7,024.28 × 3,176.31
  4. Step 4: Simplify right side
    5,087.58x = 22,311,291.53
  5. Step 5: Solve for x
    x = 22,311,291.53/5,087.58
  6. Step 6: Final answer
    x = 4,385.45

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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.