Home / 5,117.12-7,673.80-1,829.32

Finding the Fourth Proportional to 5,117.12, 7,673.80 and 1,829.32

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Solution

The fourth proportional to 5,117.12, 7,673.80 and 1,829.32 is: 2,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.12 : 7,673.80 = 1,829.32 : x
  2. Step 2: Convert to fraction form
    5,117.12/7,673.80 = 1,829.32/x
  3. Step 3: Cross multiply
    5,117.12x = 7,673.80 × 1,829.32
  4. Step 4: Simplify right side
    5,117.12x = 14,037,835.82
  5. Step 5: Solve for x
    x = 14,037,835.82/5,117.12
  6. Step 6: Final answer
    x = 2,743.31

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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.