Home / 5,541.36-7,648.80-3,417.57

Finding the Fourth Proportional to 5,541.36, 7,648.80 and 3,417.57

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Solution

The fourth proportional to 5,541.36, 7,648.80 and 3,417.57 is: 4,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.36 : 7,648.80 = 3,417.57 : x
  2. Step 2: Convert to fraction form
    5,541.36/7,648.80 = 3,417.57/x
  3. Step 3: Cross multiply
    5,541.36x = 7,648.80 × 3,417.57
  4. Step 4: Simplify right side
    5,541.36x = 26,140,309.42
  5. Step 5: Solve for x
    x = 26,140,309.42/5,541.36
  6. Step 6: Final answer
    x = 4,717.31

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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.