Home / 5,587.54-8,387.46-4,720.76

Finding the Fourth Proportional to 5,587.54, 8,387.46 and 4,720.76

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Solution

The fourth proportional to 5,587.54, 8,387.46 and 4,720.76 is: 7,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.54 : 8,387.46 = 4,720.76 : x
  2. Step 2: Convert to fraction form
    5,587.54/8,387.46 = 4,720.76/x
  3. Step 3: Cross multiply
    5,587.54x = 8,387.46 × 4,720.76
  4. Step 4: Simplify right side
    5,587.54x = 39,595,185.67
  5. Step 5: Solve for x
    x = 39,595,185.67/5,587.54
  6. Step 6: Final answer
    x = 7,086.34

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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.