Home / 5,036.54-6,947.34-2,991.05

Finding the Fourth Proportional to 5,036.54, 6,947.34 and 2,991.05

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Solution

The fourth proportional to 5,036.54, 6,947.34 and 2,991.05 is: 4,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.54 : 6,947.34 = 2,991.05 : x
  2. Step 2: Convert to fraction form
    5,036.54/6,947.34 = 2,991.05/x
  3. Step 3: Cross multiply
    5,036.54x = 6,947.34 × 2,991.05
  4. Step 4: Simplify right side
    5,036.54x = 20,779,841.31
  5. Step 5: Solve for x
    x = 20,779,841.31/5,036.54
  6. Step 6: Final answer
    x = 4,125.82

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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.