Home / 5,319.22-7,338.85-3,080.51

Finding the Fourth Proportional to 5,319.22, 7,338.85 and 3,080.51

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Solution

The fourth proportional to 5,319.22, 7,338.85 and 3,080.51 is: 4,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.22 : 7,338.85 = 3,080.51 : x
  2. Step 2: Convert to fraction form
    5,319.22/7,338.85 = 3,080.51/x
  3. Step 3: Cross multiply
    5,319.22x = 7,338.85 × 3,080.51
  4. Step 4: Simplify right side
    5,319.22x = 22,607,411.46
  5. Step 5: Solve for x
    x = 22,607,411.46/5,319.22
  6. Step 6: Final answer
    x = 4,250.14

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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.