Home / 5,235.19-7,224.57-2,877.35

Finding the Fourth Proportional to 5,235.19, 7,224.57 and 2,877.35

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Solution

The fourth proportional to 5,235.19, 7,224.57 and 2,877.35 is: 3,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.19 : 7,224.57 = 2,877.35 : x
  2. Step 2: Convert to fraction form
    5,235.19/7,224.57 = 2,877.35/x
  3. Step 3: Cross multiply
    5,235.19x = 7,224.57 × 2,877.35
  4. Step 4: Simplify right side
    5,235.19x = 20,787,580.37
  5. Step 5: Solve for x
    x = 20,787,580.37/5,235.19
  6. Step 6: Final answer
    x = 3,970.74

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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.