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Finding the Fourth Proportional to 3,703.48, 5,109.06 and 2,641.48

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Solution

The fourth proportional to 3,703.48, 5,109.06 and 2,641.48 is: 3,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.48 : 5,109.06 = 2,641.48 : x
  2. Step 2: Convert to fraction form
    3,703.48/5,109.06 = 2,641.48/x
  3. Step 3: Cross multiply
    3,703.48x = 5,109.06 × 2,641.48
  4. Step 4: Simplify right side
    3,703.48x = 13,495,479.81
  5. Step 5: Solve for x
    x = 13,495,479.81/3,703.48
  6. Step 6: Final answer
    x = 3,644.00

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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.