Home / 5,038.25-6,943.75-4,097.15

Finding the Fourth Proportional to 5,038.25, 6,943.75 and 4,097.15

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Solution

The fourth proportional to 5,038.25, 6,943.75 and 4,097.15 is: 5,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.25 : 6,943.75 = 4,097.15 : x
  2. Step 2: Convert to fraction form
    5,038.25/6,943.75 = 4,097.15/x
  3. Step 3: Cross multiply
    5,038.25x = 6,943.75 × 4,097.15
  4. Step 4: Simplify right side
    5,038.25x = 28,449,605.45
  5. Step 5: Solve for x
    x = 28,449,605.45/5,038.25
  6. Step 6: Final answer
    x = 5,646.72

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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.