Home / 5,162.96-7,125.54-2,925.20

Finding the Fourth Proportional to 5,162.96, 7,125.54 and 2,925.20

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Solution

The fourth proportional to 5,162.96, 7,125.54 and 2,925.20 is: 4,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.96 : 7,125.54 = 2,925.20 : x
  2. Step 2: Convert to fraction form
    5,162.96/7,125.54 = 2,925.20/x
  3. Step 3: Cross multiply
    5,162.96x = 7,125.54 × 2,925.20
  4. Step 4: Simplify right side
    5,162.96x = 20,843,629.61
  5. Step 5: Solve for x
    x = 20,843,629.61/5,162.96
  6. Step 6: Final answer
    x = 4,037.15

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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.