Home / 5,406.68-8,056.28-4,817.16

Finding the Fourth Proportional to 5,406.68, 8,056.28 and 4,817.16

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Solution

The fourth proportional to 5,406.68, 8,056.28 and 4,817.16 is: 7,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.68 : 8,056.28 = 4,817.16 : x
  2. Step 2: Convert to fraction form
    5,406.68/8,056.28 = 4,817.16/x
  3. Step 3: Cross multiply
    5,406.68x = 8,056.28 × 4,817.16
  4. Step 4: Simplify right side
    5,406.68x = 38,808,401.81
  5. Step 5: Solve for x
    x = 38,808,401.81/5,406.68
  6. Step 6: Final answer
    x = 7,177.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.