Home / 3,541.63-4,887.38-1,969.69

Finding the Fourth Proportional to 3,541.63, 4,887.38 and 1,969.69

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Solution

The fourth proportional to 3,541.63, 4,887.38 and 1,969.69 is: 2,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.63 : 4,887.38 = 1,969.69 : x
  2. Step 2: Convert to fraction form
    3,541.63/4,887.38 = 1,969.69/x
  3. Step 3: Cross multiply
    3,541.63x = 4,887.38 × 1,969.69
  4. Step 4: Simplify right side
    3,541.63x = 9,626,623.51
  5. Step 5: Solve for x
    x = 9,626,623.51/3,541.63
  6. Step 6: Final answer
    x = 2,718.13

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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.