Home / 5,056.04-6,977.90-2,818.12

Finding the Fourth Proportional to 5,056.04, 6,977.90 and 2,818.12

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Solution

The fourth proportional to 5,056.04, 6,977.90 and 2,818.12 is: 3,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.04 : 6,977.90 = 2,818.12 : x
  2. Step 2: Convert to fraction form
    5,056.04/6,977.90 = 2,818.12/x
  3. Step 3: Cross multiply
    5,056.04x = 6,977.90 × 2,818.12
  4. Step 4: Simplify right side
    5,056.04x = 19,664,559.55
  5. Step 5: Solve for x
    x = 19,664,559.55/5,056.04
  6. Step 6: Final answer
    x = 3,889.32

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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.