Home / 5,987.10-8,263.56-3,887.58

Finding the Fourth Proportional to 5,987.10, 8,263.56 and 3,887.58

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Solution

The fourth proportional to 5,987.10, 8,263.56 and 3,887.58 is: 5,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.10 : 8,263.56 = 3,887.58 : x
  2. Step 2: Convert to fraction form
    5,987.10/8,263.56 = 3,887.58/x
  3. Step 3: Cross multiply
    5,987.10x = 8,263.56 × 3,887.58
  4. Step 4: Simplify right side
    5,987.10x = 32,125,250.58
  5. Step 5: Solve for x
    x = 32,125,250.58/5,987.10
  6. Step 6: Final answer
    x = 5,365.74

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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.