Home / 4,865.10-6,715.35-2,977.26

Finding the Fourth Proportional to 4,865.10, 6,715.35 and 2,977.26

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Solution

The fourth proportional to 4,865.10, 6,715.35 and 2,977.26 is: 4,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.10 : 6,715.35 = 2,977.26 : x
  2. Step 2: Convert to fraction form
    4,865.10/6,715.35 = 2,977.26/x
  3. Step 3: Cross multiply
    4,865.10x = 6,715.35 × 2,977.26
  4. Step 4: Simplify right side
    4,865.10x = 19,993,342.94
  5. Step 5: Solve for x
    x = 19,993,342.94/4,865.10
  6. Step 6: Final answer
    x = 4,109.54

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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.