Home / 6,117.28-8,441.84-3,322.76

Finding the Fourth Proportional to 6,117.28, 8,441.84 and 3,322.76

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Solution

The fourth proportional to 6,117.28, 8,441.84 and 3,322.76 is: 4,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.28 : 8,441.84 = 3,322.76 : x
  2. Step 2: Convert to fraction form
    6,117.28/8,441.84 = 3,322.76/x
  3. Step 3: Cross multiply
    6,117.28x = 8,441.84 × 3,322.76
  4. Step 4: Simplify right side
    6,117.28x = 28,050,208.28
  5. Step 5: Solve for x
    x = 28,050,208.28/6,117.28
  6. Step 6: Final answer
    x = 4,585.41

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Find fourth proportional to 3,058.64, 4,220.92 and 1,661.38
Half scale
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Double scale
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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.