Home / 3,542.24-4,888.56-1,970.36

Finding the Fourth Proportional to 3,542.24, 4,888.56 and 1,970.36

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Solution

The fourth proportional to 3,542.24, 4,888.56 and 1,970.36 is: 2,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.24 : 4,888.56 = 1,970.36 : x
  2. Step 2: Convert to fraction form
    3,542.24/4,888.56 = 1,970.36/x
  3. Step 3: Cross multiply
    3,542.24x = 4,888.56 × 1,970.36
  4. Step 4: Simplify right side
    3,542.24x = 9,632,223.08
  5. Step 5: Solve for x
    x = 9,632,223.08/3,542.24
  6. Step 6: Final answer
    x = 2,719.25

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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.