Home / 1,545.42-2,132.01-1,048.35

Finding the Fourth Proportional to 1,545.42, 2,132.01 and 1,048.35

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Solution

The fourth proportional to 1,545.42, 2,132.01 and 1,048.35 is: 1,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.42 : 2,132.01 = 1,048.35 : x
  2. Step 2: Convert to fraction form
    1,545.42/2,132.01 = 1,048.35/x
  3. Step 3: Cross multiply
    1,545.42x = 2,132.01 × 1,048.35
  4. Step 4: Simplify right side
    1,545.42x = 2,235,092.68
  5. Step 5: Solve for x
    x = 2,235,092.68/1,545.42
  6. Step 6: Final answer
    x = 1,446.27

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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.