Home / 2,948.59-4,069.45-2,699.46

Finding the Fourth Proportional to 2,948.59, 4,069.45 and 2,699.46

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Solution

The fourth proportional to 2,948.59, 4,069.45 and 2,699.46 is: 3,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.59 : 4,069.45 = 2,699.46 : x
  2. Step 2: Convert to fraction form
    2,948.59/4,069.45 = 2,699.46/x
  3. Step 3: Cross multiply
    2,948.59x = 4,069.45 × 2,699.46
  4. Step 4: Simplify right side
    2,948.59x = 10,985,336.13
  5. Step 5: Solve for x
    x = 10,985,336.13/2,948.59
  6. Step 6: Final answer
    x = 3,725.62

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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.