Home / 5,055.19-7,582.80-1,545.18

Finding the Fourth Proportional to 5,055.19, 7,582.80 and 1,545.18

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Solution

The fourth proportional to 5,055.19, 7,582.80 and 1,545.18 is: 2,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.19 : 7,582.80 = 1,545.18 : x
  2. Step 2: Convert to fraction form
    5,055.19/7,582.80 = 1,545.18/x
  3. Step 3: Cross multiply
    5,055.19x = 7,582.80 × 1,545.18
  4. Step 4: Simplify right side
    5,055.19x = 11,716,785.18
  5. Step 5: Solve for x
    x = 11,716,785.18/5,055.19
  6. Step 6: Final answer
    x = 2,317.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.