Home / 5,085.12-7,588.64-5,055.92

Finding the Fourth Proportional to 5,085.12, 7,588.64 and 5,055.92

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Solution

The fourth proportional to 5,085.12, 7,588.64 and 5,055.92 is: 7,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.12 : 7,588.64 = 5,055.92 : x
  2. Step 2: Convert to fraction form
    5,085.12/7,588.64 = 5,055.92/x
  3. Step 3: Cross multiply
    5,085.12x = 7,588.64 × 5,055.92
  4. Step 4: Simplify right side
    5,085.12x = 38,367,556.75
  5. Step 5: Solve for x
    x = 38,367,556.75/5,085.12
  6. Step 6: Final answer
    x = 7,545.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.