Home / 5,385.47-7,426.93-3,495.03

Finding the Fourth Proportional to 5,385.47, 7,426.93 and 3,495.03

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Solution

The fourth proportional to 5,385.47, 7,426.93 and 3,495.03 is: 4,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.47 : 7,426.93 = 3,495.03 : x
  2. Step 2: Convert to fraction form
    5,385.47/7,426.93 = 3,495.03/x
  3. Step 3: Cross multiply
    5,385.47x = 7,426.93 × 3,495.03
  4. Step 4: Simplify right side
    5,385.47x = 25,957,343.16
  5. Step 5: Solve for x
    x = 25,957,343.16/5,385.47
  6. Step 6: Final answer
    x = 4,819.89

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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.