Home / 5,315.73-7,335.60-2,925.75

Finding the Fourth Proportional to 5,315.73, 7,335.60 and 2,925.75

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Solution

The fourth proportional to 5,315.73, 7,335.60 and 2,925.75 is: 4,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.73 : 7,335.60 = 2,925.75 : x
  2. Step 2: Convert to fraction form
    5,315.73/7,335.60 = 2,925.75/x
  3. Step 3: Cross multiply
    5,315.73x = 7,335.60 × 2,925.75
  4. Step 4: Simplify right side
    5,315.73x = 21,462,131.70
  5. Step 5: Solve for x
    x = 21,462,131.70/5,315.73
  6. Step 6: Final answer
    x = 4,037.48

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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.