Home / 5,103.51-7,039.65-3,335.07

Finding the Fourth Proportional to 5,103.51, 7,039.65 and 3,335.07

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Solution

The fourth proportional to 5,103.51, 7,039.65 and 3,335.07 is: 4,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.51 : 7,039.65 = 3,335.07 : x
  2. Step 2: Convert to fraction form
    5,103.51/7,039.65 = 3,335.07/x
  3. Step 3: Cross multiply
    5,103.51x = 7,039.65 × 3,335.07
  4. Step 4: Simplify right side
    5,103.51x = 23,477,725.53
  5. Step 5: Solve for x
    x = 23,477,725.53/5,103.51
  6. Step 6: Final answer
    x = 4,600.31

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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.