Home / 6,091.76-8,406.64-3,439.16

Finding the Fourth Proportional to 6,091.76, 8,406.64 and 3,439.16

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Solution

The fourth proportional to 6,091.76, 8,406.64 and 3,439.16 is: 4,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091.76 : 8,406.64 = 3,439.16 : x
  2. Step 2: Convert to fraction form
    6,091.76/8,406.64 = 3,439.16/x
  3. Step 3: Cross multiply
    6,091.76x = 8,406.64 × 3,439.16
  4. Step 4: Simplify right side
    6,091.76x = 28,911,780.02
  5. Step 5: Solve for x
    x = 28,911,780.02/6,091.76
  6. Step 6: Final answer
    x = 4,746.05

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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.