Home / 3,545.14-4,892.58-1,973.35

Finding the Fourth Proportional to 3,545.14, 4,892.58 and 1,973.35

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Solution

The fourth proportional to 3,545.14, 4,892.58 and 1,973.35 is: 2,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.14 : 4,892.58 = 1,973.35 : x
  2. Step 2: Convert to fraction form
    3,545.14/4,892.58 = 1,973.35/x
  3. Step 3: Cross multiply
    3,545.14x = 4,892.58 × 1,973.35
  4. Step 4: Simplify right side
    3,545.14x = 9,654,772.74
  5. Step 5: Solve for x
    x = 9,654,772.74/3,545.14
  6. Step 6: Final answer
    x = 2,723.38

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Find fourth proportional to 1,772.57, 2,446.29 and 986.68
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Double scale
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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.