Home / 5,423.06-8,127.74-4,621.16

Finding the Fourth Proportional to 5,423.06, 8,127.74 and 4,621.16

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Solution

The fourth proportional to 5,423.06, 8,127.74 and 4,621.16 is: 6,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.06 : 8,127.74 = 4,621.16 : x
  2. Step 2: Convert to fraction form
    5,423.06/8,127.74 = 4,621.16/x
  3. Step 3: Cross multiply
    5,423.06x = 8,127.74 × 4,621.16
  4. Step 4: Simplify right side
    5,423.06x = 37,559,586.98
  5. Step 5: Solve for x
    x = 37,559,586.98/5,423.06
  6. Step 6: Final answer
    x = 6,925.90

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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.