Home / 5,267.18-7,268.72-2,877.19

Finding the Fourth Proportional to 5,267.18, 7,268.72 and 2,877.19

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Solution

The fourth proportional to 5,267.18, 7,268.72 and 2,877.19 is: 3,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.18 : 7,268.72 = 2,877.19 : x
  2. Step 2: Convert to fraction form
    5,267.18/7,268.72 = 2,877.19/x
  3. Step 3: Cross multiply
    5,267.18x = 7,268.72 × 2,877.19
  4. Step 4: Simplify right side
    5,267.18x = 20,913,455.94
  5. Step 5: Solve for x
    x = 20,913,455.94/5,267.18
  6. Step 6: Final answer
    x = 3,970.52

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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.