Home / 3,542.51-4,888.54-1,970.57

Finding the Fourth Proportional to 3,542.51, 4,888.54 and 1,970.57

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Solution

The fourth proportional to 3,542.51, 4,888.54 and 1,970.57 is: 2,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.51 : 4,888.54 = 1,970.57 : x
  2. Step 2: Convert to fraction form
    3,542.51/4,888.54 = 1,970.57/x
  3. Step 3: Cross multiply
    3,542.51x = 4,888.54 × 1,970.57
  4. Step 4: Simplify right side
    3,542.51x = 9,633,210.27
  5. Step 5: Solve for x
    x = 9,633,210.27/3,542.51
  6. Step 6: Final answer
    x = 2,719.32

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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.