Home / 5,559.48-7,671.26-4,215.84

Finding the Fourth Proportional to 5,559.48, 7,671.26 and 4,215.84

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Solution

The fourth proportional to 5,559.48, 7,671.26 and 4,215.84 is: 5,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.48 : 7,671.26 = 4,215.84 : x
  2. Step 2: Convert to fraction form
    5,559.48/7,671.26 = 4,215.84/x
  3. Step 3: Cross multiply
    5,559.48x = 7,671.26 × 4,215.84
  4. Step 4: Simplify right side
    5,559.48x = 32,340,804.76
  5. Step 5: Solve for x
    x = 32,340,804.76/5,559.48
  6. Step 6: Final answer
    x = 5,817.24

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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.