Home / 5,308.22-7,320.30-4,047.05

Finding the Fourth Proportional to 5,308.22, 7,320.30 and 4,047.05

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Solution

The fourth proportional to 5,308.22, 7,320.30 and 4,047.05 is: 5,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.22 : 7,320.30 = 4,047.05 : x
  2. Step 2: Convert to fraction form
    5,308.22/7,320.30 = 4,047.05/x
  3. Step 3: Cross multiply
    5,308.22x = 7,320.30 × 4,047.05
  4. Step 4: Simplify right side
    5,308.22x = 29,625,583.51
  5. Step 5: Solve for x
    x = 29,625,583.51/5,308.22
  6. Step 6: Final answer
    x = 5,581.08

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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.