Home / 5,601.84-8,386.56-4,221.04

Finding the Fourth Proportional to 5,601.84, 8,386.56 and 4,221.04

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Solution

The fourth proportional to 5,601.84, 8,386.56 and 4,221.04 is: 6,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.84 : 8,386.56 = 4,221.04 : x
  2. Step 2: Convert to fraction form
    5,601.84/8,386.56 = 4,221.04/x
  3. Step 3: Cross multiply
    5,601.84x = 8,386.56 × 4,221.04
  4. Step 4: Simplify right side
    5,601.84x = 35,400,005.22
  5. Step 5: Solve for x
    x = 35,400,005.22/5,601.84
  6. Step 6: Final answer
    x = 6,319.35

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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.