Home / 3,541.61-4,887.29-1,969.80

Finding the Fourth Proportional to 3,541.61, 4,887.29 and 1,969.80

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Solution

The fourth proportional to 3,541.61, 4,887.29 and 1,969.80 is: 2,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.61 : 4,887.29 = 1,969.80 : x
  2. Step 2: Convert to fraction form
    3,541.61/4,887.29 = 1,969.80/x
  3. Step 3: Cross multiply
    3,541.61x = 4,887.29 × 1,969.80
  4. Step 4: Simplify right side
    3,541.61x = 9,626,973.99
  5. Step 5: Solve for x
    x = 9,626,973.99/3,541.61
  6. Step 6: Final answer
    x = 2,718.25

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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.