Home / 7,319.84-10,100.40-4,133.36

Finding the Fourth Proportional to 7,319.84, 10,100.40 and 4,133.36

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Solution

The fourth proportional to 7,319.84, 10,100.40 and 4,133.36 is: 5,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.84 : 10,100.40 = 4,133.36 : x
  2. Step 2: Convert to fraction form
    7,319.84/10,100.40 = 4,133.36/x
  3. Step 3: Cross multiply
    7,319.84x = 10,100.40 × 4,133.36
  4. Step 4: Simplify right side
    7,319.84x = 41,748,589.34
  5. Step 5: Solve for x
    x = 41,748,589.34/7,319.84
  6. Step 6: Final answer
    x = 5,703.48

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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.