Home / 5,812.40-8,718.60-4,062.80

Finding the Fourth Proportional to 5,812.40, 8,718.60 and 4,062.80

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Solution

The fourth proportional to 5,812.40, 8,718.60 and 4,062.80 is: 6,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.40 : 8,718.60 = 4,062.80 : x
  2. Step 2: Convert to fraction form
    5,812.40/8,718.60 = 4,062.80/x
  3. Step 3: Cross multiply
    5,812.40x = 8,718.60 × 4,062.80
  4. Step 4: Simplify right side
    5,812.40x = 35,421,928.08
  5. Step 5: Solve for x
    x = 35,421,928.08/5,812.40
  6. Step 6: Final answer
    x = 6,094.20

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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.