Home / 7,430.04-11,138.58-3,727.08

Finding the Fourth Proportional to 7,430.04, 11,138.58 and 3,727.08

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Solution

The fourth proportional to 7,430.04, 11,138.58 and 3,727.08 is: 5,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.04 : 11,138.58 = 3,727.08 : x
  2. Step 2: Convert to fraction form
    7,430.04/11,138.58 = 3,727.08/x
  3. Step 3: Cross multiply
    7,430.04x = 11,138.58 × 3,727.08
  4. Step 4: Simplify right side
    7,430.04x = 41,514,378.75
  5. Step 5: Solve for x
    x = 41,514,378.75/7,430.04
  6. Step 6: Final answer
    x = 5,587.37

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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.