Home / 2,854.59-4,283.93-1,211.59

Finding the Fourth Proportional to 2,854.59, 4,283.93 and 1,211.59

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Solution

The fourth proportional to 2,854.59, 4,283.93 and 1,211.59 is: 1,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.59 : 4,283.93 = 1,211.59 : x
  2. Step 2: Convert to fraction form
    2,854.59/4,283.93 = 1,211.59/x
  3. Step 3: Cross multiply
    2,854.59x = 4,283.93 × 1,211.59
  4. Step 4: Simplify right side
    2,854.59x = 5,190,366.75
  5. Step 5: Solve for x
    x = 5,190,366.75/2,854.59
  6. Step 6: Final answer
    x = 1,818.25

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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.