Home / 5,903.36-8,148.48-5,708.80

Finding the Fourth Proportional to 5,903.36, 8,148.48 and 5,708.80

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Solution

The fourth proportional to 5,903.36, 8,148.48 and 5,708.80 is: 7,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.36 : 8,148.48 = 5,708.80 : x
  2. Step 2: Convert to fraction form
    5,903.36/8,148.48 = 5,708.80/x
  3. Step 3: Cross multiply
    5,903.36x = 8,148.48 × 5,708.80
  4. Step 4: Simplify right side
    5,903.36x = 46,518,042.62
  5. Step 5: Solve for x
    x = 46,518,042.62/5,903.36
  6. Step 6: Final answer
    x = 7,879.93

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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.