Home / 7,676.04-10,581.66-5,430.99

Finding the Fourth Proportional to 7,676.04, 10,581.66 and 5,430.99

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Solution

The fourth proportional to 7,676.04, 10,581.66 and 5,430.99 is: 7,486.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.04 : 10,581.66 = 5,430.99 : x
  2. Step 2: Convert to fraction form
    7,676.04/10,581.66 = 5,430.99/x
  3. Step 3: Cross multiply
    7,676.04x = 10,581.66 × 5,430.99
  4. Step 4: Simplify right side
    7,676.04x = 57,468,889.64
  5. Step 5: Solve for x
    x = 57,468,889.64/7,676.04
  6. Step 6: Final answer
    x = 7,486.79

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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.