Home / 5,056.95-6,977.75-2,818.34

Finding the Fourth Proportional to 5,056.95, 6,977.75 and 2,818.34

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Solution

The fourth proportional to 5,056.95, 6,977.75 and 2,818.34 is: 3,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.95 : 6,977.75 = 2,818.34 : x
  2. Step 2: Convert to fraction form
    5,056.95/6,977.75 = 2,818.34/x
  3. Step 3: Cross multiply
    5,056.95x = 6,977.75 × 2,818.34
  4. Step 4: Simplify right side
    5,056.95x = 19,665,622.95
  5. Step 5: Solve for x
    x = 19,665,622.95/5,056.95
  6. Step 6: Final answer
    x = 3,888.83

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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.