Home / 3,542.26-4,888.20-1,970.32

Finding the Fourth Proportional to 3,542.26, 4,888.20 and 1,970.32

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Solution

The fourth proportional to 3,542.26, 4,888.20 and 1,970.32 is: 2,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.26 : 4,888.20 = 1,970.32 : x
  2. Step 2: Convert to fraction form
    3,542.26/4,888.20 = 1,970.32/x
  3. Step 3: Cross multiply
    3,542.26x = 4,888.20 × 1,970.32
  4. Step 4: Simplify right side
    3,542.26x = 9,631,318.22
  5. Step 5: Solve for x
    x = 9,631,318.22/3,542.26
  6. Step 6: Final answer
    x = 2,718.98

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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.