Home / 5,125.04-7,085.12-5,078.24

Finding the Fourth Proportional to 5,125.04, 7,085.12 and 5,078.24

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Solution

The fourth proportional to 5,125.04, 7,085.12 and 5,078.24 is: 7,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.04 : 7,085.12 = 5,078.24 : x
  2. Step 2: Convert to fraction form
    5,125.04/7,085.12 = 5,078.24/x
  3. Step 3: Cross multiply
    5,125.04x = 7,085.12 × 5,078.24
  4. Step 4: Simplify right side
    5,125.04x = 35,979,939.79
  5. Step 5: Solve for x
    x = 35,979,939.79/5,125.04
  6. Step 6: Final answer
    x = 7,020.42

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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.